diff --git a/src/runtime/internal/style_manager.js b/src/runtime/internal/style_manager.js
index 346895f423..52101628a5 100644
--- a/src/runtime/internal/style_manager.js
+++ b/src/runtime/internal/style_manager.js
@@ -9,20 +9,19 @@ let active = 0;
  * @returns {number}
  */
 function hash(str) {
-    let hash = 5381;
-    let i = str.length;
-    while (i--)
-        hash = ((hash << 5) - hash) ^ str.charCodeAt(i);
-    return hash >>> 0;
+	let hash = 5381;
+	let i = str.length;
+	while (i--) hash = ((hash << 5) - hash) ^ str.charCodeAt(i);
+	return hash >>> 0;
 }
 /** @param {Document | ShadowRoot} doc
  * @param {Element & ElementCSSInlineStyle} node
  * @returns {{ stylesheet: any; rules: {}; }}
  */
 function create_style_information(doc, node) {
-    const info = { stylesheet: append_empty_stylesheet(node), rules: {} };
-    managed_styles.set(doc, info);
-    return info;
+	const info = { stylesheet: append_empty_stylesheet(node), rules: {} };
+	managed_styles.set(doc, info);
+	return info;
 }
 /** @param {Element & ElementCSSInlineStyle} node
  * @param {number} a
@@ -35,62 +34,59 @@ function create_style_information(doc, node) {
  * @returns {string}
  */
 export function create_rule(node, a, b, duration, delay, ease, fn, uid = 0) {
-    const step = 16.666 / duration;
-    let keyframes = '{\n';
-    for (let p = 0; p <= 1; p += step) {
-        const t = a + (b - a) * ease(p);
-        keyframes += p * 100 + `%{${fn(t, 1 - t)}}\n`;
-    }
-    const rule = keyframes + `100% {${fn(b, 1 - b)}}\n}`;
-    const name = `__svelte_${hash(rule)}_${uid}`;
-    const doc = get_root_for_style(node);
-    const { stylesheet, rules } = managed_styles.get(doc) || create_style_information(doc, node);
-    if (!rules[name]) {
-        rules[name] = true;
-        stylesheet.insertRule(`@keyframes ${name} ${rule}`, stylesheet.cssRules.length);
-    }
-    const animation = node.style.animation || '';
-    node.style.animation = `${animation ? `${animation}, ` : ''}${name} ${duration}ms linear ${delay}ms 1 both`;
-    active += 1;
-    return name;
+	const step = 16.666 / duration;
+	let keyframes = '{\n';
+	for (let p = 0; p <= 1; p += step) {
+		const t = a + (b - a) * ease(p);
+		keyframes += p * 100 + `%{${fn(t, 1 - t)}}\n`;
+	}
+	const rule = keyframes + `100% {${fn(b, 1 - b)}}\n}`;
+	const name = `__svelte_${hash(rule)}_${uid}`;
+	const doc = get_root_for_style(node);
+	const { stylesheet, rules } = managed_styles.get(doc) || create_style_information(doc, node);
+	if (!rules[name]) {
+		rules[name] = true;
+		stylesheet.insertRule(`@keyframes ${name} ${rule}`, stylesheet.cssRules.length);
+	}
+	const animation = node.style.animation || '';
+	node.style.animation = `${
+		animation ? `${animation}, ` : ''
+	}${name} ${duration}ms linear ${delay}ms 1 both`;
+	active += 1;
+	return name;
 }
 /** @param {Element & ElementCSSInlineStyle} node
  * @param {string} name
  * @returns {void}
  */
 export function delete_rule(node, name) {
-    const previous = (node.style.animation || '').split(', ');
-    const next = previous.filter(name
-        ? (anim) => anim.indexOf(name) < 0 // remove specific animation
-        : (anim) => anim.indexOf('__svelte') === -1 // remove all Svelte animations
-    );
-    const deleted = previous.length - next.length;
-    if (deleted) {
-        node.style.animation = next.join(', ');
-        active -= deleted;
-        if (!active)
-            clear_rules();
-    }
+	const previous = (node.style.animation || '').split(', ');
+	const next = previous.filter(
+		name
+			? (anim) => anim.indexOf(name) < 0 // remove specific animation
+			: (anim) => anim.indexOf('__svelte') === -1 // remove all Svelte animations
+	);
+	const deleted = previous.length - next.length;
+	if (deleted) {
+		node.style.animation = next.join(', ');
+		active -= deleted;
+		if (!active) clear_rules();
+	}
 }
 /** @returns {void} */
 export function clear_rules() {
-    raf(() => {
-        if (active)
-            return;
-        managed_styles.forEach((info) => {
-            const { ownerNode } = info.stylesheet;
-            // there is no ownerNode if it runs on jsdom.
-            if (ownerNode)
-                detach(ownerNode);
-        });
-        managed_styles.clear();
-    });
+	raf(() => {
+		if (active) return;
+		managed_styles.forEach((info) => {
+			const { ownerNode } = info.stylesheet;
+			// there is no ownerNode if it runs on jsdom.
+			if (ownerNode) detach(ownerNode);
+		});
+		managed_styles.clear();
+	});
 }
 
-
-
-
 /** @typedef {Object} StyleInformation
  * @property {CSSStyleSheet} stylesheet
- * @property {Record<string,true>} rules 
- */
\ No newline at end of file
+ * @property {Record<string,true>} rules
+ */