diff --git a/src/service-worker.js b/src/service-worker.js
index adaff3b..59aa446 100644
--- a/src/service-worker.js
+++ b/src/service-worker.js
@@ -11,7 +11,7 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
-const CACHE_VERSION = { 'version': '0.0.400' };
+const CACHE_VERSION = { 'version': '0.0.401' };
 const dataCacheName = 'jubileeData-v1';
 const cacheName = 'jubilee-final-1';
 const filesToCache = [
diff --git a/src/v1/js/libs/panel.js b/src/v1/js/libs/panel.js
index 271b43a..63b4850 100644
--- a/src/v1/js/libs/panel.js
+++ b/src/v1/js/libs/panel.js
@@ -10,7 +10,7 @@ function createPanel(params) {
       <div class="mui-appbar mui--appbar-line-height mui--z1" style="vertical-align:middle;">
            <span>
             <button class="mui-btn mui-btn--large mui-btn--primary mui-btn--flat closebutton" id="close_${divId}">
-                <i class="medium material-icons mui--align-middle" style="color:black;">arrow_back</i>
+                <i class="small material-icons mui--align-middle" style="color:black;">arrow_back</i>
             </button>
         
         </span>