Revert "Add Blazor First Look Course Banner (#242)" (#340)

This reverts commit c022cd3.

Author: danroth27

index.md

@@ -3,11 +3,7 @@ title: Welcome to the Blazor preview docs website!
 description: Learn about Blazor, an experimental .NET web framework using C#/Razor and HTML that runs in the browser with WebAssembly.
 documentType: index
 ---
-<div class="container-fluid update-banner">
-	<div class="container">
-		LinkedIn Learning has unlocked the training course <a href="https://www.linkedin.com/learning/blazor-first-look?trk=insiders_blazorFL_learning" aria-label="Watch Blazor First Look">Blazor First Look</a> for a limited time. 
-	</div>
-</div>
+
 <div class="hero">
   <div class="wrap">
     <h1 class="text">

template/styles/main.css

@@ -2,17 +2,6 @@ body {
   font-size: 16px;
 }
 
-.update-banner {
-    background-color: #ddd;
-    width: 100%;
-    padding: .9em;
-    margin-top: 50px;
-}
-
-.update-banner div {
-  text-align: center;
-}
-
 .toc .level1 > li {
   font-weight: normal;
 }
@@ -81,7 +70,7 @@ svg:hover path {
 
 .hero {
   height: 350px;
-  /* margin-top: 50px; Add back when removing the update banner */
+  margin-top: 50px;
   padding-top: 50px;
   font-weight: 300;
   text-align: center;
@@ -177,9 +166,6 @@ svg:hover path {
   .counter-key-section .glyphicon {
     display: none;
   }
-  .update-banner {
-    margin-top: 0px;
-  }
 }
 
 .footer {