Fix some things in oap theme layout

src/Themes/OapTheme/Views/Layout.liquid

@@ -11,7 +11,7 @@
 
 	{% link type: "image/x-icon", rel: "shortcut icon", href: "~/OapTheme/assets/favicon.ico" %}
 
-  {% style name: "oaptheme" %}
+	{% style name: "oaptheme-styles" %}
 
 	{% resources type: "HeadLink" %}
 	<script src="https://cdn.tailwindcss.com"></script>
@@ -19,18 +19,23 @@
 		div.richtext a {
 			@apply text-blue-700 underline;
 		}
+
 		div.richtext ol, div.richtext ul {
 			@apply my-2 pl-8;
 		}
+
 			div.richtext ol li {
 				@apply list-decimal my-1;
 			}
+
 			div.richtext ul li {
 				@apply list-disc my-1;
 			}
+
 		div.richtext p {
 			@apply my-4;
 		}
+
 		div.richtext .red {
 			@apply text-red-500;
 		}
@@ -82,7 +87,6 @@
 
 	{% resources type: "FootScript" %}
 </body>
-</head>
 
 </html>