Make info cell a button container.

services/web/public/stylesheets/app/editor.less

@@ -254,21 +254,17 @@
 
 .sl_references_search_hint {
 	position: absolute;
-	bottom: -33px;
+	bottom: -67px;
 	left: -1px;
 	right: 0px;
-	padding: 7px 2px;
+	padding: 0 6px 6px;
 	text-align: center;
-	background: @state-info-text;
-	color: @state-info-bg;
+	background: #fbfbfb;
+	color: #FFF;
 	box-shadow: 3px 3px 5px rgba(0,0,0,.2);
 	font-family: @font-family-sans-serif;
 	font-size: 13px;
 	font-weight: 600;
-
-	span {
-		padding-left: 10px;
-	}
 }
 // -- References Search Modal --
 .references-search-modal-backdrop {