diff --git a/index.html b/index.html
index 21cd4ac..9afefcf 100755
--- a/index.html
+++ b/index.html
@@ -239,7 +239,7 @@
   <!-- {{{ download template -->
   <h3 ng-show="totalAria2Downloads()">Download List</h3>
 
-  <form ng-show="(totalAria2Downloads() > pageSize) || downloadFilter.length" id="filters">
+  <form ng-show="(totalAria2Downloads() > pageSize) || downloadFilter.length" id="filters" class="clearfix">
     <fieldset>
       <label for="download-filter" id="download-filter-label">Search</label>
       <input id="download-filter" type="text" ng-model="downloadFilter" ng-change="onDownloadFilter()" class="input-large"/>
@@ -276,8 +276,6 @@
     </fieldset>
   </form>
 
-  <span class="clearfix"></span>
-
   <div class="pagination pagination-right" ng-show="totalDownloads > pageSize">
     <pagination
       total-items="totalDownloads"
diff --git a/js/services/utils.js b/js/services/utils.js
index 9e98629..fc74ad9 100644
--- a/js/services/utils.js
+++ b/js/services/utils.js
@@ -11,7 +11,7 @@ angular.module('webui.services.utils', [])
       return rndBuffer;
     };
 
-    if (!crypto.getRandomValues) {
+    if (!window.crypto || !crypto.getRandomValues) {
       return rnd16Weak;
     }
     return function() {