diff --git a/mopidy_musicbox_webclient/static/css/webclient.css b/mopidy_musicbox_webclient/static/css/webclient.css
index 0a2297c..3b68652 100644
--- a/mopidy_musicbox_webclient/static/css/webclient.css
+++ b/mopidy_musicbox_webclient/static/css/webclient.css
@@ -551,7 +551,7 @@ a {
         max-height:90%;
     }
     .nowPlaying-artistInfo {
-           font-size: 12px;
+        font-size: 12px;
     }
     .nowPlaying-artistInfo h4{
         margin: 0px;
diff --git a/mopidy_musicbox_webclient/static/index.html b/mopidy_musicbox_webclient/static/index.html
index 0bb856f..e81d231 100644
--- a/mopidy_musicbox_webclient/static/index.html
+++ b/mopidy_musicbox_webclient/static/index.html
@@ -117,7 +117,7 @@
         </li>
         <li id="" data-icon="false">
             <div><!-- slider for volume -->
-                <a href="#" onclick="doMute(); return false;"><i class="fa fa-volume-off" id="mutebt"></i></a>
+                <a href="#" onclick="doMute(); return false;"><span title="Toggle mute"><i id="mutebt" class="fa fa-volume-off"></i></span></a>
                 <label for="volumeslider" class="ui-hidden-accessible">Volume</label>
                 <input id="volumeslider" data-highlight="true" name="volumeslider" data-mini="true" type="range" min="0"
                        value="0" max="100" onchange="doVolume(this.value);"/>