site: add font fallback for Comic Sans MS (#2505)

site/content/examples/00-introduction/02-styling/App.svelte

@@ -1,7 +1,7 @@
 <style>
 	p {
 		color: purple;
-		font-family: 'Comic Sans MS';
+		font-family: 'Comic Sans MS', cursive;
 		font-size: 2em;
 	}
 </style>

site/content/examples/00-introduction/03-nested-components/App.svelte

@@ -5,7 +5,7 @@
 <style>
 	p {
 		color: purple;
-		font-family: 'Comic Sans MS';
+		font-family: 'Comic Sans MS', cursive;
 		font-size: 2em;
 	}
 </style>

site/content/examples/04-events/05-dom-event-forwarding/FancyButton.svelte

@@ -1,6 +1,6 @@
 <style>
 	button {
-		font-family: 'Comic Sans MS';
+		font-family: 'Comic Sans MS', cursive;
 		font-size: 2em;
 		padding: 0.5em 1em;
 		color: royalblue;

site/content/examples/99-embeds/20181225-blog-svelte-css-in-js/styles.js

@@ -11,7 +11,7 @@ export const title = css`
 `;
 
 export const comicSans = css`
-	font-family: 'Comic Sans MS';
+	font-family: 'Comic Sans MS', cursive;
 `;
 
 export const box = css`

site/content/tutorial/01-introduction/04-styling/app-b/App.svelte

@@ -1,7 +1,7 @@
 <style>
 	p {
 		color: purple;
-		font-family: 'Comic Sans MS';
+		font-family: 'Comic Sans MS', cursive;
 		font-size: 2em;
 	}
 </style>

site/content/tutorial/01-introduction/04-styling/text.md

@@ -8,7 +8,7 @@ Just like in HTML, you can add a `<style>` tag to your component. Let's add some
 <style>
 	p {
 		color: purple;
-		font-family: 'Comic Sans MS';
+		font-family: 'Comic Sans MS', cursive;
 		font-size: 2em;
 	}
 </style>

site/content/tutorial/01-introduction/05-nested-components/app-a/App.svelte

@@ -1,7 +1,7 @@
 <style>
 	p {
 		color: purple;
-		font-family: 'Comic Sans MS';
+		font-family: 'Comic Sans MS', cursive;
 		font-size: 2em;
 	}
 </style>

site/content/tutorial/01-introduction/05-nested-components/app-b/App.svelte

@@ -5,7 +5,7 @@
 <style>
 	p {
 		color: purple;
-		font-family: 'Comic Sans MS';
+		font-family: 'Comic Sans MS', cursive;
 		font-size: 2em;
 	}
 </style>

site/content/tutorial/05-events/06-dom-event-forwarding/app-a/FancyButton.svelte

@@ -1,6 +1,6 @@
 <style>
 	button {
-		font-family: 'Comic Sans MS';
+		font-family: 'Comic Sans MS', cursive;
 		font-size: 2em;
 		padding: 0.5em 1em;
 		color: royalblue;

site/content/tutorial/05-events/06-dom-event-forwarding/app-b/FancyButton.svelte

@@ -1,6 +1,6 @@
 <style>
 	button {
-		font-family: 'Comic Sans MS';
+		font-family: 'Comic Sans MS', cursive;
 		font-size: 2em;
 		padding: 0.5em 1em;
 		color: royalblue;