Merge pull request #448 from rasummer/rasummer/fix-css-cache

Author: ignasi35

app/assets/css/main.styl

@@ -1,4 +1,4 @@
-@import "../stylesheets/oss-banners.css"
+@import "../stylesheets/oss-banners-036.css"
 @import "nib"
 @import "util/_index"
 
@@ -50,4 +50,4 @@ a[href="#"], a[href="#todo"], [todo]
 
 .not-found-content
     min-height: inherit
-    z-index: auto
+    z-index: auto