Minor fixes

public/index.html

@@ -66,7 +66,7 @@
       <input id="form_profile_name" type="text" class="form-control" />
       <span class="input-group-btn">
         <button class="btn btn-success" type="button" onclick="saveProfile();">Save</button>
-        <button id="btn_exit" type="button" class="btn btn-danger" onclick="leaveEditMode()"><span class="glyphicon glyphicon-remove"></span></button>
+        <button id="btn_exit" type="button" class="btn btn-default" onclick="leaveEditMode()"><span class="glyphicon glyphicon-remove"></span></button>
       </span>
      </div>
      <div class="btn-group btn-group-sm" style="margin-top: 10px">