changed to btn-light

src/server/views/widget/page_alerts.html

@@ -43,6 +43,7 @@
       <form role="form" id="unlink-page-form" onsubmit="return false;">
         <input type="hidden" name="_csrf" value="{{ csrf() }}">
         <input type="hidden" name="path" value="{{ path }}">
+        <button type="submit" class="btn btn-light btn-sm float-right">
           <i class="ti-unlink" aria-hidden="true"></i>
           Unlink
         </button>