diff --git a/src/css/Stylesheet.ts b/src/css/Stylesheet.ts
index 4dfeb311fb..3b37ca526e 100644
--- a/src/css/Stylesheet.ts
+++ b/src/css/Stylesheet.ts
@@ -274,7 +274,7 @@ export default class Stylesheet {
 	children: (Rule|Atrule)[];
 	keyframes: Map<string, string>;
 
-	constructor(source: string, parsed: Parsed, name: string, filename: string, cascade: boolean, dev: boolean) {
+	constructor(source: string, parsed: Parsed, filename: string, cascade: boolean, dev: boolean) {
 		this.source = source;
 		this.parsed = parsed;
 		this.cascade = cascade;
@@ -285,7 +285,7 @@ export default class Stylesheet {
 		this.keyframes = new Map();
 
 		if (parsed.css && parsed.css.children.length) {
-			this.id = `${name ? name.toLowerCase() : 'svelte'}-${hash(parsed.css.content.styles)}`;
+			this.id = `svelte-${hash(parsed.css.content.styles)}`;
 
 			this.hasStyles = true;
 
diff --git a/src/index.ts b/src/index.ts
index f820cea85e..be62f07763 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -116,7 +116,7 @@ export function compile(source: string, _options: CompileOptions) {
 		return;
 	}
 
-	const stylesheet = new Stylesheet(source, parsed, options.name, options.filename, options.cascade !== false, options.dev);
+	const stylesheet = new Stylesheet(source, parsed, options.filename, options.cascade !== false, options.dev);
 
 	validate(parsed, source, stylesheet, options);
 
diff --git a/test/css/index.js b/test/css/index.js
index 94f0db3dfe..83b26ed498 100644
--- a/test/css/index.js
+++ b/test/css/index.js
@@ -95,7 +95,7 @@ describe('css', () => {
 				css: read(`test/css/samples/${dir}/expected.css`)
 			};
 
-			assert.equal(dom.css.replace(/sveltecomponent-[a-z0-9]+/g, 'sveltecomponent-xyz'), expected.css);
+			assert.equal(dom.css.replace(/svelte(-ref)?-[a-z0-9]+/g, (m, $1) => $1 ? m : 'svelte-xyz'), expected.css);
 
 			// verify that the right elements have scoping selectors
 			if (expected.html !== null) {
@@ -114,7 +114,7 @@ describe('css', () => {
 					fs.writeFileSync(`test/css/samples/${dir}/_actual.html`, html);
 
 					assert.equal(
-						normalizeHtml(window, html.replace(/sveltecomponent-[a-z0-9]+/g, 'sveltecomponent-xyz')),
+						normalizeHtml(window, html.replace(/svelte(-ref)?-[a-z0-9]+/g, (m, $1) => $1 ? m : 'svelte-xyz')),
 						normalizeHtml(window, expected.html)
 					);
 
@@ -133,7 +133,7 @@ describe('css', () => {
 					assert.equal(
 						normalizeHtml(
 							window,
-							component.render(config.data).html.replace(/sveltecomponent-[a-z0-9]+/g, 'sveltecomponent-xyz')
+							component.render(config.data).html.replace(/svelte(-ref)?-[a-z0-9]+/g, (m, $1) => $1 ? m : 'svelte-xyz')
 						),
 						normalizeHtml(window, expected.html)
 					);
diff --git a/test/css/samples/attribute-selector-only-name/expected.css b/test/css/samples/attribute-selector-only-name/expected.css
index 450d82d176..e2bbf5b48c 100644
--- a/test/css/samples/attribute-selector-only-name/expected.css
+++ b/test/css/samples/attribute-selector-only-name/expected.css
@@ -1 +1 @@
-[foo].sveltecomponent-xyz{color:red}[baz].sveltecomponent-xyz{color:blue}
\ No newline at end of file
+[foo].svelte-xyz{color:red}[baz].svelte-xyz{color:blue}
\ No newline at end of file
diff --git a/test/css/samples/attribute-selector-unquoted/expected.css b/test/css/samples/attribute-selector-unquoted/expected.css
index 63b722d52e..9f8f88a352 100644
--- a/test/css/samples/attribute-selector-unquoted/expected.css
+++ b/test/css/samples/attribute-selector-unquoted/expected.css
@@ -1 +1 @@
-[foo=bar].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[foo=bar].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/basic/expected.css b/test/css/samples/basic/expected.css
index 8a07144453..49670b1fd5 100644
--- a/test/css/samples/basic/expected.css
+++ b/test/css/samples/basic/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz,.sveltecomponent-xyz div{color:red}
\ No newline at end of file
+div.svelte-xyz,.svelte-xyz div{color:red}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-empty-rule-dev/expected.css b/test/css/samples/cascade-false-empty-rule-dev/expected.css
index 24cea55b63..4013e47e5d 100644
--- a/test/css/samples/cascade-false-empty-rule-dev/expected.css
+++ b/test/css/samples/cascade-false-empty-rule-dev/expected.css
@@ -1 +1 @@
-.foo.sveltecomponent-xyz{}
\ No newline at end of file
+.foo.svelte-xyz{}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-global-keyframes/expected.css b/test/css/samples/cascade-false-global-keyframes/expected.css
index b1c560ac7a..8e716d136d 100644
--- a/test/css/samples/cascade-false-global-keyframes/expected.css
+++ b/test/css/samples/cascade-false-global-keyframes/expected.css
@@ -1 +1 @@
-@keyframes why{0%{color:red}100%{color:blue}}.animated.sveltecomponent-xyz{animation:why 2s}.also-animated.sveltecomponent-xyz{animation:not-defined-here 2s}
\ No newline at end of file
+@keyframes why{0%{color:red}100%{color:blue}}.animated.svelte-xyz{animation:why 2s}.also-animated.svelte-xyz{animation:not-defined-here 2s}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-keyframes-from-to/expected.css b/test/css/samples/cascade-false-keyframes-from-to/expected.css
index e68bbbb2d1..c8ee60194c 100644
--- a/test/css/samples/cascade-false-keyframes-from-to/expected.css
+++ b/test/css/samples/cascade-false-keyframes-from-to/expected.css
@@ -1 +1 @@
-@keyframes sveltecomponent-xyz-why{from{color:red}to{color:blue}}.animated.sveltecomponent-xyz{animation:sveltecomponent-xyz-why 2s}
\ No newline at end of file
+@keyframes svelte-xyz-why{from{color:red}to{color:blue}}.animated.svelte-xyz{animation:svelte-xyz-why 2s}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-keyframes/expected.css b/test/css/samples/cascade-false-keyframes/expected.css
index 81d89c3ea1..a6a1176dae 100644
--- a/test/css/samples/cascade-false-keyframes/expected.css
+++ b/test/css/samples/cascade-false-keyframes/expected.css
@@ -1 +1 @@
-@keyframes sveltecomponent-xyz-why{0%{color:red}100%{color:blue}}.animated.sveltecomponent-xyz{animation:sveltecomponent-xyz-why 2s}.also-animated.sveltecomponent-xyz{animation:not-defined-here 2s}
\ No newline at end of file
+@keyframes svelte-xyz-why{0%{color:red}100%{color:blue}}.animated.svelte-xyz{animation:svelte-xyz-why 2s}.also-animated.svelte-xyz{animation:not-defined-here 2s}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-pseudo-element/expected.css b/test/css/samples/cascade-false-pseudo-element/expected.css
index b58ca97e20..bb380d4041 100644
--- a/test/css/samples/cascade-false-pseudo-element/expected.css
+++ b/test/css/samples/cascade-false-pseudo-element/expected.css
@@ -1 +1 @@
-span.sveltecomponent-xyz::after{content:'i am a pseudo-element'}span.sveltecomponent-xyz:first-child{color:red}span.sveltecomponent-xyz:last-child::after{color:blue}
\ No newline at end of file
+span.svelte-xyz::after{content:'i am a pseudo-element'}span.svelte-xyz:first-child{color:red}span.svelte-xyz:last-child::after{color:blue}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-universal-selector/expected.css b/test/css/samples/cascade-false-universal-selector/expected.css
index 1709f454f0..3eda95e446 100644
--- a/test/css/samples/cascade-false-universal-selector/expected.css
+++ b/test/css/samples/cascade-false-universal-selector/expected.css
@@ -1 +1 @@
-.sveltecomponent-xyz{color:red}
\ No newline at end of file
+.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-universal-selector/expected.html b/test/css/samples/cascade-false-universal-selector/expected.html
index 4d6d935c24..be0c650916 100644
--- a/test/css/samples/cascade-false-universal-selector/expected.html
+++ b/test/css/samples/cascade-false-universal-selector/expected.html
@@ -1 +1 @@
-<div class="sveltecomponent-xyz"></div>
\ No newline at end of file
+<div class="svelte-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/cascade-false/expected.css b/test/css/samples/cascade-false/expected.css
index 3df221a53d..797d245dde 100644
--- a/test/css/samples/cascade-false/expected.css
+++ b/test/css/samples/cascade-false/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz{color:red}div.foo.sveltecomponent-xyz{color:blue}.foo.sveltecomponent-xyz{font-weight:bold}
\ No newline at end of file
+div.svelte-xyz{color:red}div.foo.svelte-xyz{color:blue}.foo.svelte-xyz{font-weight:bold}
\ No newline at end of file
diff --git a/test/css/samples/combinator-child/expected.css b/test/css/samples/combinator-child/expected.css
index ad993a2f80..bf6d83d42f 100644
--- a/test/css/samples/combinator-child/expected.css
+++ b/test/css/samples/combinator-child/expected.css
@@ -1 +1 @@
-.test.sveltecomponent-xyz>div.sveltecomponent-xyz{color:#0af}
\ No newline at end of file
+.test.svelte-xyz>div.svelte-xyz{color:#0af}
\ No newline at end of file
diff --git a/test/css/samples/combinator-child/expected.html b/test/css/samples/combinator-child/expected.html
index 5d97f05541..04af5650fe 100644
--- a/test/css/samples/combinator-child/expected.html
+++ b/test/css/samples/combinator-child/expected.html
@@ -1 +1 @@
-<div class="test sveltecomponent-xyz"><div class="sveltecomponent-xyz">Testing...</div></div>
\ No newline at end of file
+<div class="test svelte-xyz"><div class="svelte-xyz">Testing...</div></div>
\ No newline at end of file
diff --git a/test/css/samples/css-vars/expected.css b/test/css/samples/css-vars/expected.css
index b009b4597b..1b3a42567a 100644
--- a/test/css/samples/css-vars/expected.css
+++ b/test/css/samples/css-vars/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz,.sveltecomponent-xyz div{--test:10}
\ No newline at end of file
+div.svelte-xyz,.svelte-xyz div{--test:10}
\ No newline at end of file
diff --git a/test/css/samples/descendant-selector-non-top-level-outer/expected.css b/test/css/samples/descendant-selector-non-top-level-outer/expected.css
index 17589c9299..3817f75eba 100644
--- a/test/css/samples/descendant-selector-non-top-level-outer/expected.css
+++ b/test/css/samples/descendant-selector-non-top-level-outer/expected.css
@@ -1 +1 @@
-p.sveltecomponent-xyz span.sveltecomponent-xyz{color:red}
\ No newline at end of file
+p.svelte-xyz span.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/descendant-selector-non-top-level-outer/expected.html b/test/css/samples/descendant-selector-non-top-level-outer/expected.html
index 782831e9ce..733f71343a 100644
--- a/test/css/samples/descendant-selector-non-top-level-outer/expected.html
+++ b/test/css/samples/descendant-selector-non-top-level-outer/expected.html
@@ -1 +1 @@
-<div><p class="sveltecomponent-xyz"><span class="sveltecomponent-xyz">styled</span></p></div>
\ No newline at end of file
+<div><p class="svelte-xyz"><span class="svelte-xyz">styled</span></p></div>
\ No newline at end of file
diff --git a/test/css/samples/keyframes/expected.css b/test/css/samples/keyframes/expected.css
index 8bf03c9827..810ba87751 100644
--- a/test/css/samples/keyframes/expected.css
+++ b/test/css/samples/keyframes/expected.css
@@ -1 +1 @@
-@keyframes sveltecomponent-xyz-why{0%{color:red}100%{color:blue}}.sveltecomponent-xyz.animated,.sveltecomponent-xyz .animated{animation:sveltecomponent-xyz-why 2s}
\ No newline at end of file
+@keyframes svelte-xyz-why{0%{color:red}100%{color:blue}}.svelte-xyz.animated,.svelte-xyz .animated{animation:svelte-xyz-why 2s}
\ No newline at end of file
diff --git a/test/css/samples/media-query-word/expected.css b/test/css/samples/media-query-word/expected.css
index f2079207e7..592ba7e61d 100644
--- a/test/css/samples/media-query-word/expected.css
+++ b/test/css/samples/media-query-word/expected.css
@@ -1 +1 @@
-@media only screen and (min-width: 400px){div.sveltecomponent-xyz,.sveltecomponent-xyz div{color:red}}
\ No newline at end of file
+@media only screen and (min-width: 400px){div.svelte-xyz,.svelte-xyz div{color:red}}
\ No newline at end of file
diff --git a/test/css/samples/media-query/expected.css b/test/css/samples/media-query/expected.css
index 184685bfe7..689161de04 100644
--- a/test/css/samples/media-query/expected.css
+++ b/test/css/samples/media-query/expected.css
@@ -1 +1 @@
-@media(min-width: 400px){.sveltecomponent-xyz.large-screen,.sveltecomponent-xyz .large-screen{display:block}}
\ No newline at end of file
+@media(min-width: 400px){.svelte-xyz.large-screen,.svelte-xyz .large-screen{display:block}}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.css
index 1c77708392..4d1d8d14ff 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.css
@@ -1 +1 @@
-[data-foo*='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo*='bar'].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.html
index 782cd2e8f7..5f113a0b1d 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.html
@@ -1,2 +1,2 @@
-<div><p class="sveltecomponent-xyz" data-foo="foobarbaz">this is styled</p>
+<div><p class="svelte-xyz" data-foo="foobarbaz">this is styled</p>
 	<p data-foo="fooBARbaz">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.css
index 656235011a..80b6feebca 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.css
@@ -1 +1 @@
-[data-foo='bar' i].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo='bar' i].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.html
index 753349dacf..c09c637c8b 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.html
@@ -1,2 +1,2 @@
-<div><p class="sveltecomponent-xyz" data-foo="BAR">this is styled</p>
+<div><p class="svelte-xyz" data-foo="BAR">this is styled</p>
 	<p data-foo="BAZ">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.css
index 8bf688b41e..fd8a9a15ee 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.css
@@ -1 +1 @@
-[data-foo='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo='bar'].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.html
index 8812b911b5..111d193a89 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.html
@@ -1,2 +1,2 @@
-<div><p class="sveltecomponent-xyz" data-foo="whatever">this is styled</p>
+<div><p class="svelte-xyz" data-foo="whatever">this is styled</p>
 	<p data-foo="baz">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.css
index 8bf688b41e..fd8a9a15ee 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.css
@@ -1 +1 @@
-[data-foo='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo='bar'].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.html
index 2ae95e6932..745d610a6f 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.html
@@ -1,2 +1,2 @@
-<div><p class="sveltecomponent-xyz" data-foo="bar">this is styled</p>
+<div><p class="svelte-xyz" data-foo="bar">this is styled</p>
 	<p data-foo="baz">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.css
index 2963ef5f19..95f6faeb02 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.css
@@ -1 +1 @@
-[data-foo|='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo|='bar'].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.html
index cd7c71651d..3045becd3b 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.html
@@ -1,3 +1,3 @@
-<div><p class="sveltecomponent-xyz" data-foo="bar">this is styled</p>
-	<p class="sveltecomponent-xyz" data-foo="bar-baz">this is styled</p>
+<div><p class="svelte-xyz" data-foo="bar">this is styled</p>
+	<p class="svelte-xyz" data-foo="bar-baz">this is styled</p>
 	<p data-foo="baz-bar">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.css
index 19bc70bb71..3a30f1f017 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.css
@@ -1 +1 @@
-[data-foo^='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo^='bar'].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.html
index a37d2f7b53..7a54f45744 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.html
@@ -1,2 +1,2 @@
-<div><p class="sveltecomponent-xyz" data-foo="barbaz">this is styled</p>
+<div><p class="svelte-xyz" data-foo="barbaz">this is styled</p>
 	<p data-foo="bazbar">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.css
index 25337233ff..de8d18cc3b 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.css
@@ -1 +1 @@
-[data-foo$='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo$='bar'].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.html
index 82999a9860..ba757d0bf2 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.html
@@ -1,2 +1,2 @@
 <div><p data-foo="barbaz">this is unstyled</p>
-	<p class="sveltecomponent-xyz" data-foo="bazbar">this is styled</p></div>
\ No newline at end of file
+	<p class="svelte-xyz" data-foo="bazbar">this is styled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.css
index 1f1ca80d11..fabcbade4d 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.css
@@ -1 +1 @@
-[data-foo~='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo~='bar'].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.html
index 40617b4a00..49555ef404 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.html
@@ -1,2 +1,2 @@
-<div><p class="sveltecomponent-xyz" data-foo="qux bar">this is styled</p>
+<div><p class="svelte-xyz" data-foo="qux bar">this is styled</p>
 	<p data-foo="qux baz">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector/expected.css
index 2d4a0f340a..ddb620207d 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector/expected.css
@@ -1 +1 @@
-[autoplay].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[autoplay].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector/expected.html
index 0f8e4995ea..52175f98b6 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector/expected.html
@@ -1,2 +1,2 @@
-<div><video class="sveltecomponent-xyz" autoplay></video>
+<div><video class="svelte-xyz" autoplay></video>
 	<video></video></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-class-dynamic/expected.css b/test/css/samples/omit-scoping-attribute-class-dynamic/expected.css
index 225223f777..431f704106 100644
--- a/test/css/samples/omit-scoping-attribute-class-dynamic/expected.css
+++ b/test/css/samples/omit-scoping-attribute-class-dynamic/expected.css
@@ -1 +1 @@
-.foo.sveltecomponent-xyz{color:red}
\ No newline at end of file
+.foo.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-class-dynamic/expected.html b/test/css/samples/omit-scoping-attribute-class-dynamic/expected.html
index 35d58952b3..451140e6e1 100644
--- a/test/css/samples/omit-scoping-attribute-class-dynamic/expected.html
+++ b/test/css/samples/omit-scoping-attribute-class-dynamic/expected.html
@@ -1,2 +1,2 @@
-<p class="whatever sveltecomponent-xyz">this is styled</p>
+<p class="whatever svelte-xyz">this is styled</p>
 <p class="bar">this is unstyled</p>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-class-static/expected.css b/test/css/samples/omit-scoping-attribute-class-static/expected.css
index 225223f777..431f704106 100644
--- a/test/css/samples/omit-scoping-attribute-class-static/expected.css
+++ b/test/css/samples/omit-scoping-attribute-class-static/expected.css
@@ -1 +1 @@
-.foo.sveltecomponent-xyz{color:red}
\ No newline at end of file
+.foo.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-class-static/expected.html b/test/css/samples/omit-scoping-attribute-class-static/expected.html
index 1e89a5ae93..7366cb3cfe 100644
--- a/test/css/samples/omit-scoping-attribute-class-static/expected.html
+++ b/test/css/samples/omit-scoping-attribute-class-static/expected.html
@@ -1,2 +1,2 @@
-<p class="foo sveltecomponent-xyz">this is styled</p>
+<p class="foo svelte-xyz">this is styled</p>
 <p class="bar">this is unstyled</p>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.css
index aa5574dd8b..f3653403a5 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.css
@@ -1 +1 @@
-.foo.sveltecomponent-xyz .bar{color:red}
\ No newline at end of file
+.foo.svelte-xyz .bar{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.html
index 08fc3a49b4..cfad41216e 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.html
@@ -1 +1 @@
-<div class="foo sveltecomponent-xyz"></div>
\ No newline at end of file
+<div class="foo svelte-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.css
index 3d8ac73a32..74e641549f 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz>p>em{color:red}
\ No newline at end of file
+div.svelte-xyz>p>em{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.html
index 4d6d935c24..be0c650916 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.html
@@ -1 +1 @@
-<div class="sveltecomponent-xyz"></div>
\ No newline at end of file
+<div class="svelte-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.css
index f7636133be..338c90ab19 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz>p{color:red}
\ No newline at end of file
+div.svelte-xyz>p{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.html
index 4d6d935c24..be0c650916 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.html
@@ -1 +1 @@
-<div class="sveltecomponent-xyz"></div>
\ No newline at end of file
+<div class="svelte-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.css
index f8188dc5b9..5d1af4c251 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.css
@@ -1 +1 @@
-div>section>p.sveltecomponent-xyz{color:red}
\ No newline at end of file
+div>section>p.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.html
index e0c9a23fa3..033f341a4b 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.html
@@ -1 +1 @@
-<p class="sveltecomponent-xyz">this may or may not be styled</p>
\ No newline at end of file
+<p class="svelte-xyz">this may or may not be styled</p>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.css
index bd882a79ee..3666ce8f7f 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.css
@@ -1 +1 @@
-div>p.sveltecomponent-xyz{color:red}
\ No newline at end of file
+div>p.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.html
index e0c9a23fa3..033f341a4b 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.html
@@ -1 +1 @@
-<p class="sveltecomponent-xyz">this may or may not be styled</p>
\ No newline at end of file
+<p class="svelte-xyz">this may or may not be styled</p>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-id/expected.css b/test/css/samples/omit-scoping-attribute-id/expected.css
index 0d1cb3a79e..0e9e9f8b29 100644
--- a/test/css/samples/omit-scoping-attribute-id/expected.css
+++ b/test/css/samples/omit-scoping-attribute-id/expected.css
@@ -1 +1 @@
-#foo.sveltecomponent-xyz{color:red}
\ No newline at end of file
+#foo.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-id/expected.html b/test/css/samples/omit-scoping-attribute-id/expected.html
index 3b58dda6a6..ce31b29b6e 100644
--- a/test/css/samples/omit-scoping-attribute-id/expected.html
+++ b/test/css/samples/omit-scoping-attribute-id/expected.html
@@ -1,2 +1,2 @@
-<div class="sveltecomponent-xyz" id="foo"></div>
+<div class="svelte-xyz" id="foo"></div>
 <div id="bar"></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.css b/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.css
index b5e86f9bca..737870905c 100644
--- a/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.css
+++ b/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz section p.sveltecomponent-xyz{color:red}
\ No newline at end of file
+div.svelte-xyz section p.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.html b/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.html
index 78b04435a4..53c470b0c1 100644
--- a/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.html
+++ b/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.html
@@ -1 +1 @@
-<div class="sveltecomponent-xyz"><section><p class="sveltecomponent-xyz">this is styled</p></section></div>
\ No newline at end of file
+<div class="svelte-xyz"><section><p class="svelte-xyz">this is styled</p></section></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-whitespace/expected.css b/test/css/samples/omit-scoping-attribute-whitespace/expected.css
index bc02cff638..f8ef9ca56c 100644
--- a/test/css/samples/omit-scoping-attribute-whitespace/expected.css
+++ b/test/css/samples/omit-scoping-attribute-whitespace/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz p.sveltecomponent-xyz{color:red}
\ No newline at end of file
+div.svelte-xyz p.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-whitespace/expected.html b/test/css/samples/omit-scoping-attribute-whitespace/expected.html
index 78b04435a4..53c470b0c1 100644
--- a/test/css/samples/omit-scoping-attribute-whitespace/expected.html
+++ b/test/css/samples/omit-scoping-attribute-whitespace/expected.html
@@ -1 +1 @@
-<div class="sveltecomponent-xyz"><section><p class="sveltecomponent-xyz">this is styled</p></section></div>
\ No newline at end of file
+<div class="svelte-xyz"><section><p class="svelte-xyz">this is styled</p></section></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute/expected.css b/test/css/samples/omit-scoping-attribute/expected.css
index 662e016e1e..5d8d69ac33 100644
--- a/test/css/samples/omit-scoping-attribute/expected.css
+++ b/test/css/samples/omit-scoping-attribute/expected.css
@@ -1 +1 @@
-p.sveltecomponent-xyz{color:red}
\ No newline at end of file
+p.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute/expected.html b/test/css/samples/omit-scoping-attribute/expected.html
index a813603794..1bc4a66f62 100644
--- a/test/css/samples/omit-scoping-attribute/expected.html
+++ b/test/css/samples/omit-scoping-attribute/expected.html
@@ -1 +1 @@
-<div><p class="sveltecomponent-xyz">this is styled</p></div>
\ No newline at end of file
+<div><p class="svelte-xyz">this is styled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/refs-qualified/expected.css b/test/css/samples/refs-qualified/expected.css
index 752cb35478..90e58e2a80 100644
--- a/test/css/samples/refs-qualified/expected.css
+++ b/test/css/samples/refs-qualified/expected.css
@@ -1 +1 @@
-[svelte-ref-button].active.sveltecomponent-xyz{color:red}
\ No newline at end of file
+[svelte-ref-button].active.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/refs-qualified/expected.html b/test/css/samples/refs-qualified/expected.html
index 332ba4fe85..536bae83f8 100644
--- a/test/css/samples/refs-qualified/expected.html
+++ b/test/css/samples/refs-qualified/expected.html
@@ -1 +1 @@
-<button svelte-ref-button="" class="active sveltecomponent-xyz">deactivate</button>
\ No newline at end of file
+<button svelte-ref-button="" class="active svelte-xyz">deactivate</button>
\ No newline at end of file
diff --git a/test/css/samples/refs/expected.css b/test/css/samples/refs/expected.css
index c7cb17dbc3..c0018c9593 100644
--- a/test/css/samples/refs/expected.css
+++ b/test/css/samples/refs/expected.css
@@ -1 +1 @@
-[svelte-ref-a].sveltecomponent-xyz{color:red}[svelte-ref-b].sveltecomponent-xyz{color:green}
\ No newline at end of file
+[svelte-ref-a].svelte-xyz{color:red}[svelte-ref-b].svelte-xyz{color:green}
\ No newline at end of file
diff --git a/test/css/samples/refs/expected.html b/test/css/samples/refs/expected.html
index ea3794c3d0..2b504628c3 100644
--- a/test/css/samples/refs/expected.html
+++ b/test/css/samples/refs/expected.html
@@ -1,3 +1,3 @@
-<div class="sveltecomponent-xyz" svelte-ref-a=''></div>
-<div class="sveltecomponent-xyz" svelte-ref-b=''></div>
+<div class="svelte-xyz" svelte-ref-a=''></div>
+<div class="svelte-xyz" svelte-ref-b=''></div>
 <div></div>
\ No newline at end of file
diff --git a/test/css/samples/universal-selector/expected.css b/test/css/samples/universal-selector/expected.css
index 7d5e774278..70eaaedf3e 100644
--- a/test/css/samples/universal-selector/expected.css
+++ b/test/css/samples/universal-selector/expected.css
@@ -1 +1 @@
-.sveltecomponent-xyz,.sveltecomponent-xyz *{color:red}
\ No newline at end of file
+.svelte-xyz,.svelte-xyz *{color:red}
\ No newline at end of file
diff --git a/test/css/samples/unknown-at-rule/expected.css b/test/css/samples/unknown-at-rule/expected.css
index e000f55f2c..d175e2a807 100644
--- a/test/css/samples/unknown-at-rule/expected.css
+++ b/test/css/samples/unknown-at-rule/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz,.sveltecomponent-xyz div{@apply --funky-div;}
\ No newline at end of file
+div.svelte-xyz,.svelte-xyz div{@apply --funky-div;}
\ No newline at end of file
diff --git a/test/css/samples/unused-selector-leading/expected.css b/test/css/samples/unused-selector-leading/expected.css
index badc3181d7..ff57dc09b9 100644
--- a/test/css/samples/unused-selector-leading/expected.css
+++ b/test/css/samples/unused-selector-leading/expected.css
@@ -1 +1 @@
-.bar.sveltecomponent-xyz{color:red}
\ No newline at end of file
+.bar.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/unused-selector-leading/expected.html b/test/css/samples/unused-selector-leading/expected.html
index df383dbb48..3f3d680596 100644
--- a/test/css/samples/unused-selector-leading/expected.html
+++ b/test/css/samples/unused-selector-leading/expected.html
@@ -1 +1 @@
-<div class="bar sveltecomponent-xyz"></div>
\ No newline at end of file
+<div class="bar svelte-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/unused-selector-ternary/expected.css b/test/css/samples/unused-selector-ternary/expected.css
index 282226949e..16fbddce58 100644
--- a/test/css/samples/unused-selector-ternary/expected.css
+++ b/test/css/samples/unused-selector-ternary/expected.css
@@ -1 +1 @@
-.active.sveltecomponent-xyz{color:red}.inactive.sveltecomponent-xyz{color:blue}
\ No newline at end of file
+.active.svelte-xyz{color:red}.inactive.svelte-xyz{color:blue}
\ No newline at end of file
diff --git a/test/css/samples/unused-selector-ternary/expected.html b/test/css/samples/unused-selector-ternary/expected.html
index 328e9cbafa..02fc551836 100644
--- a/test/css/samples/unused-selector-ternary/expected.html
+++ b/test/css/samples/unused-selector-ternary/expected.html
@@ -1 +1 @@
-<div class="active sveltecomponent-xyz"></div>
\ No newline at end of file
+<div class="active svelte-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/unused-selector/expected.css b/test/css/samples/unused-selector/expected.css
index 225223f777..431f704106 100644
--- a/test/css/samples/unused-selector/expected.css
+++ b/test/css/samples/unused-selector/expected.css
@@ -1 +1 @@
-.foo.sveltecomponent-xyz{color:red}
\ No newline at end of file
+.foo.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/unused-selector/expected.html b/test/css/samples/unused-selector/expected.html
index 08fc3a49b4..cfad41216e 100644
--- a/test/css/samples/unused-selector/expected.html
+++ b/test/css/samples/unused-selector/expected.html
@@ -1 +1 @@
-<div class="foo sveltecomponent-xyz"></div>
\ No newline at end of file
+<div class="foo svelte-xyz"></div>
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles-nested/_actual.css b/test/server-side-rendering/samples/styles-nested/_actual.css
index 286971669a..737a93edff 100644
--- a/test/server-side-rendering/samples/styles-nested/_actual.css
+++ b/test/server-side-rendering/samples/styles-nested/_actual.css
@@ -1,2 +1,2 @@
-div.main-bzh57p,.main-bzh57p div{color:red}
-div.one-4yw8vx,.one-4yw8vx div{color:green}
\ No newline at end of file
+div.svelte-bzh57p,.svelte-bzh57p div{color:red}
+div.svelte-4yw8vx,.svelte-4yw8vx div{color:green}
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles-nested/_actual.html b/test/server-side-rendering/samples/styles-nested/_actual.html
index f1916f5531..2227662e25 100644
--- a/test/server-side-rendering/samples/styles-nested/_actual.html
+++ b/test/server-side-rendering/samples/styles-nested/_actual.html
@@ -1,8 +1,8 @@
-<div class="main-bzh57p">red</div>
-<div class="one-4yw8vx">green: foo</div>
+<div class="svelte-bzh57p">red</div>
+<div class="svelte-4yw8vx">green: foo</div>
 
 
 
-<div class="one-4yw8vx">green: bar</div>
+<div class="svelte-4yw8vx">green: bar</div>
 
 
diff --git a/test/server-side-rendering/samples/styles-nested/_expected.css b/test/server-side-rendering/samples/styles-nested/_expected.css
index 286971669a..737a93edff 100644
--- a/test/server-side-rendering/samples/styles-nested/_expected.css
+++ b/test/server-side-rendering/samples/styles-nested/_expected.css
@@ -1,2 +1,2 @@
-div.main-bzh57p,.main-bzh57p div{color:red}
-div.one-4yw8vx,.one-4yw8vx div{color:green}
\ No newline at end of file
+div.svelte-bzh57p,.svelte-bzh57p div{color:red}
+div.svelte-4yw8vx,.svelte-4yw8vx div{color:green}
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles-nested/_expected.html b/test/server-side-rendering/samples/styles-nested/_expected.html
index f1916f5531..2227662e25 100644
--- a/test/server-side-rendering/samples/styles-nested/_expected.html
+++ b/test/server-side-rendering/samples/styles-nested/_expected.html
@@ -1,8 +1,8 @@
-<div class="main-bzh57p">red</div>
-<div class="one-4yw8vx">green: foo</div>
+<div class="svelte-bzh57p">red</div>
+<div class="svelte-4yw8vx">green: foo</div>
 
 
 
-<div class="one-4yw8vx">green: bar</div>
+<div class="svelte-4yw8vx">green: bar</div>
 
 
diff --git a/test/server-side-rendering/samples/styles/_actual.css b/test/server-side-rendering/samples/styles/_actual.css
index 61b7968326..f54b1b3d50 100644
--- a/test/server-side-rendering/samples/styles/_actual.css
+++ b/test/server-side-rendering/samples/styles/_actual.css
@@ -1 +1 @@
-div.main-bzh57p,.main-bzh57p div{color:red}
\ No newline at end of file
+div.svelte-bzh57p,.svelte-bzh57p div{color:red}
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles/_actual.html b/test/server-side-rendering/samples/styles/_actual.html
index 41b64d952d..4c164bd844 100644
--- a/test/server-side-rendering/samples/styles/_actual.html
+++ b/test/server-side-rendering/samples/styles/_actual.html
@@ -1 +1 @@
-<div class="main-bzh57p">red</div>
\ No newline at end of file
+<div class="svelte-bzh57p">red</div>
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles/_expected.css b/test/server-side-rendering/samples/styles/_expected.css
index 61b7968326..f54b1b3d50 100644
--- a/test/server-side-rendering/samples/styles/_expected.css
+++ b/test/server-side-rendering/samples/styles/_expected.css
@@ -1 +1 @@
-div.main-bzh57p,.main-bzh57p div{color:red}
\ No newline at end of file
+div.svelte-bzh57p,.svelte-bzh57p div{color:red}
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles/_expected.html b/test/server-side-rendering/samples/styles/_expected.html
index 41b64d952d..4c164bd844 100644
--- a/test/server-side-rendering/samples/styles/_expected.html
+++ b/test/server-side-rendering/samples/styles/_expected.html
@@ -1 +1 @@
-<div class="main-bzh57p">red</div>
\ No newline at end of file
+<div class="svelte-bzh57p">red</div>
\ No newline at end of file