theme: fixing errant background

Author: Sam Kleinman

themes/mongodb/static/mongodb-docs.css_t

@@ -646,7 +646,7 @@ div.gsc-control-cse-en, div.gsc-control-cse { padding: 0 !important; }
 
 div#etp {
     position: absolute;
-    background: inherit;
+    background: none;
     margin: 0;
     top: 87px;
     padding: 0;