ensure even hyperlinks are highlighted

src/skins/vector/css/molecules/EventTile.css

@@ -106,6 +106,11 @@ limitations under the License.
     padding: 4px;
 }
 
+.mx_MessageTile_searchHighlight a {
+    background-color: #76cfa6;
+    color: #fff;    
+}
+
 .mx_EventTile_sending {
     color: #ddd;
 }