Revert "Merge branch 'pere200' into 'master'"

This reverts merge request !138

core/static/core/style.scss

@@ -32,7 +32,6 @@ $twitblue: #55acee;
 
 body {
   background-color: $primary-neutral-light-color;
-  background: url("img/background.png")  no-repeat center fixed;
   position: relative;
   width: 100%;
   font-family: sans-serif;