Commit 8d13f242 for codemirror.net

commit 8d13f242bff45ef05f2c6183070071d09d2dc556
Author: Marijn Haverbeke <marijn@haverbeke.nl>
Date:   Tue Jan 12 12:01:15 2021 +0100

    Add CodeMirror 6 banner to front page

diff --git a/index.html b/index.html
index 3934c309..733dcdab 100644
--- a/index.html
+++ b/index.html
@@ -18,10 +18,13 @@
   .CodeMirror { height: auto; border: 1px solid #ddd; }
   .CodeMirror-scroll { max-height: 200px; }
   .CodeMirror pre { padding-left: 7px; line-height: 1.25; }
-  .banner { background: #ffc; padding: 6px; border-bottom: 2px solid silver;  }
-  .banner div { margin: 0 auto; max-width: 700px; text-align: center; }
+  .banner { background: #ffc; padding: 6px; border-bottom: 2px solid silver; text-align: center }
 </style>

+<div class=banner>
+  ‼️ Check out the upcoming <a href="https://codemirror.net/6/">CodeMirror 6</a>, a much-improved rewrite! ✨
+</div>
+
 <div id=nav>
   <a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="doc/logo.png"></a>