Added well-named dnndocs.css and removed (missing) main.css

Author: jeremy-farrance

templates/dnn-docs/partials/head.tmpl.partial

@@ -11,7 +11,7 @@
   <link rel="shortcut icon" href="{{_rel}}{{{_appFaviconPath}}}{{^_appFaviconPath}}favicon.ico{{/_appFaviconPath}}">
   <link rel="stylesheet" href="{{_rel}}styles/docfx.vendor.css">
   <link rel="stylesheet" href="{{_rel}}styles/docfx.css">
-  <link rel="stylesheet" href="{{_rel}}styles/main.css">
+  <link rel="stylesheet" href="{{_rel}}styles/dnndocs.css">
 	<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css" integrity="sha384-fnmOCqbTlWIlj8LyTjo7mOUStjsKC4pOpQbqyi7RrhN7udi9RwhKkMHpvLbHG9Sr" crossorigin="anonymous">
   <link rel="preconnect" href="https://ZPKP9SED9P-dsn.algolia.net" crossorigin />
 	<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@docsearch/css@alpha" />

templates/dnn-docs/styles/dnndocs.css

@@ -0,0 +1,3 @@
+.DocSearch-Button {
+  width: 18rem;
+}