diff --git a/kallithea/templates/admin/gists/edit.html b/kallithea/templates/admin/gists/edit.html
--- a/kallithea/templates/admin/gists/edit.html
+++ b/kallithea/templates/admin/gists/edit.html
@@ -35,7 +35,7 @@
     <div class="table">
         <div id="edit_error" style="display: none" class="flash_msg">
             <div class="alert alert-dismissable alert-warning">
-              <button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button>
+              <button type="button" class="close" data-dismiss="alert" aria-hidden="true"><i class="icon-cancel-circled"></i></button>
               ${h.literal(_('Gist was update since you started editing. Copy your changes and click %(here)s to reload new version.')
                              % {'here': h.link_to('here',h.url('edit_gist', gist_id=c.gist.gist_access_id))})}
             </div>
diff --git a/kallithea/templates/base/base.html b/kallithea/templates/base/base.html
--- a/kallithea/templates/base/base.html
+++ b/kallithea/templates/base/base.html
@@ -533,7 +533,7 @@
     <div class="modal-dialog">
       <div class="modal-content">
         <div class="modal-header">
-          <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
+          <button type="button" class="close" data-dismiss="modal" aria-hidden="true"><i class="icon-cancel-circled"></i></button>
           <h4 class="modal-title">${_('Keyboard shortcuts')}</h4>
         </div>
         <div class="modal-body">
diff --git a/kallithea/templates/base/flash_msg.html b/kallithea/templates/base/flash_msg.html
--- a/kallithea/templates/base/flash_msg.html
+++ b/kallithea/templates/base/flash_msg.html
@@ -3,7 +3,7 @@
     % if messages:
         % for message in messages:
             <div class="alert alert-dismissable alert-${message.category}">
-              <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>
+              <button type="button" class="close" data-dismiss="alert" aria-hidden="true"><i class="icon-cancel-circled"></i></button>
               ${message}
             </div>
         % endfor