Minor update to svelte:body-tutorial (#6376)

Switch style/html order

site/content/tutorial/16-special-elements/05-svelte-body/app-a/App.svelte

@@ -5,6 +5,15 @@
 	const handleMouseleave = () => hereKitty = false;
 </script>
 
+<svelte:body/>
+
+<!-- creative commons BY-NC http://www.pngall.com/kitten-png/download/7247 -->
+<img
+	class:curious={hereKitty}
+	alt="Kitten wants to know what's going on"
+	src="tutorial/kitten.png"
+>
+
 <style>
 	img {
 		position: absolute;
@@ -23,12 +32,3 @@
 		overflow: hidden;
 	}
 </style>
-
-<svelte:body/>
-
-<!-- creative commons BY-NC http://www.pngall.com/kitten-png/download/7247 -->
-<img
-	class:curious={hereKitty}
-	alt="Kitten wants to know what's going on"
-	src="tutorial/kitten.png"
->

site/content/tutorial/16-special-elements/05-svelte-body/app-b/App.svelte

@@ -5,6 +5,18 @@
 	const handleMouseleave = () => hereKitty = false;
 </script>
 
+<svelte:body
+	on:mouseenter={handleMouseenter}
+	on:mouseleave={handleMouseleave}
+/>
+
+<!-- creative commons BY-NC http://www.pngall.com/kitten-png/download/7247 -->
+<img
+	class:curious={hereKitty}
+	alt="Kitten wants to know what's going on"
+	src="tutorial/kitten.png"
+>
+
 <style>
 	img {
 		position: absolute;
@@ -23,15 +35,3 @@
 		overflow: hidden;
 	}
 </style>
-
-<svelte:body
-	on:mouseenter={handleMouseenter}
-	on:mouseleave={handleMouseleave}
-/>
-
-<!-- creative commons BY-NC http://www.pngall.com/kitten-png/download/7247 -->
-<img
-	class:curious={hereKitty}
-	alt="Kitten wants to know what's going on"
-	src="tutorial/kitten.png"
->