re-added conflicting styling

Author: katlich112358

src/assets/css/main.css

@@ -729,6 +729,10 @@ div.reference-subgroup {
     border-color: rgba(45, 123, 182, 0.25);
 }
 
+.example-content .edit_space ul li button:hover{
+    background:white;
+}
+
 .example-content .edit_space .edit_area {
     position: absolute;
     top: 0.5em;