⚡ remove bad gradient

invalid CSS plus perf is better w/o anyway

Author: rupl

css/main.css

@@ -1,6 +1,5 @@
 body {
   background-color: #3b5166;
-  background-image: linear-gradient(left, #3b5166, #758493);
   color:#ddd;
   padding:0 2em;
   font-family: helvetica, sans-serif;