diff --git a/lms/templates/wiki/create.html b/lms/templates/wiki/create.html
index 745be08cf8..806f5c7840 100644
--- a/lms/templates/wiki/create.html
+++ b/lms/templates/wiki/create.html
@@ -9,7 +9,7 @@
   {% addtoblock "js" %}
   <script type="text/javascript" src="{{ STATIC_URL }}admin/js/urlify.js "></script>
   <script type="text/javascript">
-  //<![CDATA[	
+  //<![CDATA[
   (function($) {
 	  $(document).ready(function (){
 		  $("#id_title").keyup(function () {
@@ -28,20 +28,20 @@
 
     {% include "wiki/includes/editormedia.html" %}
     <h1 class="page-header">{% trans "Add new article" %}</h1>
-    
+
     <form method="POST" class="form-horizontal">
       {% wiki_form create_form %}
       <div class="form-actions">
           <button type="submit" name="save_changes" class="btn btn-primary btn-large">
-            <span class="icon-plus"></span>
+            <i class="icon-plus"></i>
             {% trans "Create article" %}
           </button>
 
           <a href="{% url 'wiki:get' path=parent_urlpath.path %}" class="btn btn-large back">
-            <span class="icon-circle-arrow-left"></span>
+            <i class="icon-circle-arrow-left"></i>
             {% trans "Go back" %}
           </a>
-      </div>  
+      </div>
       {% include "wiki/includes/cheatsheet.html" %}
     </form>
 
diff --git a/lms/templates/wiki/delete.html b/lms/templates/wiki/delete.html
index 6cb2b36707..9edd1bcda0 100644
--- a/lms/templates/wiki/delete.html
+++ b/lms/templates/wiki/delete.html
@@ -7,24 +7,24 @@
 {% block wiki_contents %}
   <section class="delete">
   <h1 class="page-header">{% trans "Delete" %} "{{ article.current_revision.title }}"</h1>
-  
+
   {% if cannot_delete_root %}
     <p class="lead">{% trans "You cannot delete a root article." %}</p>
     <p><a href="{% url 'wiki:get' path=urlpath.path article_id=article.id %}">{% trans "Go back" %}</a></p>
   {% else %}
-  
+
     {% if cannot_delete_children %}
-      
+
       <p class="alert alert-error"><strong>{% trans "You cannot delete this article because you do not have permission to delete articles with children. Try to remove the children manually one-by-one." %}</strong></p>
-      
+
     {% endif %}
-      
+
     {% if delete_children %}
 
       <p class="lead">{% trans "You are deleting an article. This means that its children will be deleted as well. If you choose to purge, children will also be purged!" %}</p>
-      
+
       <h2>{% trans "Articles that will be deleted" %}</h2>
-      
+
       <ul>
         {% for child in delete_children %}
         <li><a href="{% url 'wiki:get' article_id=child.article.id %}" target="_blank">{{ child.article }}</a></li>
@@ -33,9 +33,9 @@
         {% endif %}
         {% endfor %}
       </ul>
-    
+
     {% endif %}
-    
+
     {% if not cannot_delete_children %}
     <p class="lead">{% trans "You are deleting an article. Please confirm." %}</p>
 
@@ -46,17 +46,17 @@
       </script>
       <div class="form-actions">
           <button type="submit" name="save_changes" class="btn btn-danger btn-large">
-            <span class="icon-plus"></span>
+            <i class="icon-remove"></i>
             {% trans "Delete article" %}
           </button>
           <a href="{% url 'wiki:get' path=urlpath.path article_id=article.id %}" class="btn btn-large back">
-            <span class="icon-circle-arrow-left"></span>
+            <i class="icon-circle-arrow-left"></i>
             {% trans "Go back" %}
           </a>
-      </div>  
+      </div>
     </form>
     {% endif %}
- 
+
   {% endif %}
   </section>
 
diff --git a/lms/templates/wiki/edit.html b/lms/templates/wiki/edit.html
index 7cc21d6bbb..7b973cccae 100644
--- a/lms/templates/wiki/edit.html
+++ b/lms/templates/wiki/edit.html
@@ -25,7 +25,7 @@
   {% include "wiki/includes/editor.html" %}
   <div class="form-actions">
       <button type="submit" name="save" value="1" class="btn btn-large btn-primary" onclick="this.form.target=''; this.form.action='{% url 'wiki:edit' path=urlpath.path article_id=article.id %}'">
-        <span class="icon-ok"></span>
+        <i class="icon-ok"></i>
         {% trans "Save changes" %}
       </button>
       <a class="btn btn-large" id="previewButton" href="#previewModal" rel="leanModal"
@@ -33,12 +33,12 @@
           document.article_edit_form.target='previewWindow';
           document.article_edit_form.action='{% url 'wiki:preview' path=urlpath.path article_id=article.id %}';
           document.article_edit_form.submit();">
-        <span class="icon-eye-open"></span>
+        <i class="icon-eye-open"></i>
         {% trans "Preview" %}
       </a>
 
       <a href="{% url 'wiki:delete' path=urlpath.path article_id=article.id %}" class="pull-right btn btn-danger">
-        <span class="icon-trash"></span>
+        <i class="icon-remove"></i>
         {% trans "Delete article" %}
       </a>
 
@@ -57,12 +57,12 @@
     </div>
     <div class="modal-footer">
       <button type="submit" name="save" value="1" class="btn btn-large btn-primary" onclick="this.form.target=''; this.form.action='{% url 'wiki:edit' path=urlpath.path article_id=article.id %}'">
-        <span class="icon-ok"></span>
+        <i class="icon-ok"></i>
         {% trans "Save changes" %}
       </button>
 
       <a id="previewModalBackToEditor" href="#" class="btn btn-large">
-        <span class="icon-circle-arrow-left"></span>
+        <i class="icon-circle-arrow-left"></i>
         {% trans "Back to editor" %}
       </a>
     </div>
diff --git a/lms/templates/wiki/history.html b/lms/templates/wiki/history.html
index 72f74fb15b..a1f7d68571 100644
--- a/lms/templates/wiki/history.html
+++ b/lms/templates/wiki/history.html
@@ -102,7 +102,7 @@
         <div class="accordion-group">
           <div class="accordion-heading">
             <a class="accordion-toggle" style="float: left;" href="{% url 'wiki:diff' revision.id %}">
-              <span class="icon-plus"></span>
+              <i class="icon-plus"></i>
               {% include "wiki/includes/revision_info.html" with current_revision=article.current_revision %}
               <div style="color: #CCC;">
                 <small>
@@ -130,7 +130,7 @@
                       document.revisions_form.action='{% url 'wiki:preview_revision' article.id %}';
                       $('#previewRevisionModal .switch-to-revision').attr('href', '{% url 'wiki:change_revision' path=urlpath.path article_id=article.id revision_id=revision.id %}');
                       document.revisions_form.submit();">
-                  <span class="icon-eye-open"></span>
+                  <i class="icon-eye-open"></i>
                   {% trans "Preview this revision" %}
                 </a>
 
@@ -180,17 +180,17 @@
               document.revisions_form.action=$('input[type=radio]:checked').attr('merge-button-href');
               $('.merge-revision-commit').attr('href', $('input[type=radio]:checked').attr('merge-button-commit-href'));
               document.revisions_form.submit();">
-            <span class="icon-random"></span>
+            <i class="icon-random"></i>
             {% trans "Merge selected with current..." %}
           </a>
         {% else %}
           <button type="submit" disabled="true" name="preview" value="1" class="btn btn-large">
-            <span class="icon-lock"></span>
+            <i class="icon-lock"></i>
             {% trans "Merge selected with current..." %}
           </button>
         {% endif %}
         <button type="submit" name="save" value="1" class="btn btn-large btn-primary" onclick="this.form.action=$('input[type=radio]:checked').attr('switch-button-href')">
-          <span class="icon-flag"></span>
+          <i class="icon-flag"></i>
           {% trans "Switch to selected version" %}
         </button>
       </div>
@@ -212,17 +212,17 @@
       </div>
       <div class="modal-footer">
       <a id="previewRevisionModalBackToHistory" href="#" class="btn btn-large" data-dismiss="modal">
-        <span class="icon-circle-arrow-left"></span>
+        <i class="icon-circle-arrow-left"></i>
         {% trans "Back to history view" %}
       </a>
       {% if article|can_write:user %}
         <a href="#" class="btn btn-large btn-primary switch-to-revision">
-          <span class="icon-flag"></span>
+          <i class="icon-flag"></i>
           {% trans "Switch to this version" %}
         </a>
       {% else %}
         <a href="#" class="btn btn-large btn-primary disabled">
-          <span class="icon-lock"></span>
+          <i class="icon-lock"></i>
           {% trans "Switch to this version" %}
         </a>
       {% endif %}
@@ -240,24 +240,24 @@
       </header>
       <div class="modal-header">
         <h1>{% trans "Merge with current" %}</h1>
-        <p class="lead"><span class="icon-info-sign"></span> {% trans "When you merge a revision with the current, all data will be retained from both versions and merged at its approximate location from each revision." %} <strong>{% trans "After this, it's important to do a manual review." %}</strong></p>
+        <p class="lead"><i class="icon-info-sign"></i> {% trans "When you merge a revision with the current, all data will be retained from both versions and merged at its approximate location from each revision." %} <strong>{% trans "After this, it's important to do a manual review." %}</strong></p>
       </div>
       <div class="modal-body">
         <iframe name="mergeWindow"></iframe>
       </div>
       <div class="modal-footer">
         <a id="mergeModalBackToHistory" href="#" class="btn btn-large" data-dismiss="modal">
-          <span class="icon-circle-arrow-left"></span>
+          <i class="icon-circle-arrow-left"></i>
           {% trans "Back to history view" %}
         </a>
         {% if article|can_write:user %}
         <a href="#" class="btn btn-large btn-primary merge-revision-commit">
-          <span class="icon-file"></span>
+          <i class="icon-file"></i>
           {% trans "Create new merged version" %}
         </a>
         {% else %}
           <a href="#" class="btn btn-large btn-primary disabled">
-            <span class="icon-lock"></span>
+            <i class="icon-lock"></i>
             {% trans "Create new merged version" %}
           </a>
         {% endif %}
diff --git a/lms/templates/wiki/includes/breadcrumbs.html b/lms/templates/wiki/includes/breadcrumbs.html
index f23916cf49..24507edf54 100644
--- a/lms/templates/wiki/includes/breadcrumbs.html
+++ b/lms/templates/wiki/includes/breadcrumbs.html
@@ -13,13 +13,13 @@
     %>
     %for ancestor in urlpath.cached_ancestors:
       <li><a href="${reverse('wiki:get', kwargs={'path' : ancestor.path})}">${ancestor.article.current_revision.title}</a></li>
-      <% 
+      <%
         if not create_article_root and ancestor.article.can_write(user):
           create_article_root = ancestor
       %>
     %endfor
     <li class="active"><a href="${reverse('wiki:get', kwargs={'path' : urlpath.path})}">${article.current_revision.title}</a></li>
-    <% 
+    <%
       if not create_article_root and urlpath.article.can_write(user):
         create_article_root = urlpath
     %>
@@ -31,7 +31,7 @@
     </form> -->
     %if create_article_root:
     <a class="add-article-btn btn pull-left" href="${reverse('wiki:create', kwargs={'path' : create_article_root.path})}" style="padding: 7px;">
-      <span class="icon-plus"></span>
+      <i class="icon-plus"></i>
       ${_("Add article")}
     </a>
     %endif