Fix background color of "or" in line

Author: athinab

www/resources/sass/_extra.scss

@@ -414,7 +414,7 @@ h4 {
     .ssp-line-or-line__or {
         @extend h2;
         position: relative;
-        background: $white;
+        background: $body-bg;
         padding: 0 24px;
         bottom: -10px;