diff --git a/fileviewer/templates/fileviewer/file.html b/fileviewer/templates/fileviewer/file.html
index 2f2360f7..3e89acd1 100644
--- a/fileviewer/templates/fileviewer/file.html
+++ b/fileviewer/templates/fileviewer/file.html
@@ -3,7 +3,7 @@
 {% block title %}{{ super() }} - File Viewer{% endblock title %}
 
 {% block style %}
-<link id='pagestyle' rel="stylesheet" {% if g.settings and g.settings.color_mode and g.settings.color_mode == 'DARK' %}href="{{url_for('static', filename='lib/highlight-js-11.9.0/styles/dark.min.css')}}"{% else %}href="{{url_for('static', filename='lib/highlight-js-11.9.0/styles/default.min.css')}}"{% endif %}>
+<link id="pagestyle" rel="stylesheet" {% if g.settings and g.settings.color_mode and g.settings.color_mode == 'DARK' %}href="{{url_for('static', filename='lib/highlight-js-11.9.0/styles/dark.min.css')}}"{% else %}href="{{url_for('static', filename='lib/highlight-js-11.9.0/styles/default.min.css')}}"{% endif %}>
 {% endblock style %}
 
 {% block scripts %}
diff --git a/user/templates/user/data_transfer.html b/user/templates/user/data_transfer.html
index 05239750..df9991f8 100644
--- a/user/templates/user/data_transfer.html
+++ b/user/templates/user/data_transfer.html
@@ -21,7 +21,7 @@
 {% endblock %}
 
 {% block style %}
-    <link id='pagestyle' rel="stylesheet" {% if g.settings and g.settings.color_mode and g.settings.color_mode == 'DARK' %}href="{{url_for('static', filename='lib/highlight-js-11.9.0/styles/dark.min.css')}}"{% else %}href="{{url_for('static', filename='lib/highlight-js-11.9.0/styles/default.min.css')}}"{% endif %}>
+    <link id="pagestyle" rel="stylesheet" {% if g.settings and g.settings.color_mode and g.settings.color_mode == 'DARK' %}href="{{url_for('static', filename='lib/highlight-js-11.9.0/styles/dark.min.css')}}"{% else %}href="{{url_for('static', filename='lib/highlight-js-11.9.0/styles/default.min.css')}}"{% endif %}>
 {% endblock style %}
 
 {% block content %}
diff --git a/vault/templates/vault/browse.html b/vault/templates/vault/browse.html
index f0661795..0c23a61f 100644
--- a/vault/templates/vault/browse.html
+++ b/vault/templates/vault/browse.html
@@ -253,7 +253,7 @@ <h5 class="modal-title">Download datapackage</h5>
             </div>
             <div class="modal-footer">
                 <button class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
-                <button class='btn btn-primary action-confirm-vault-download'>Confirm download</button>
+                <button class="btn btn-primary action-confirm-vault-download">Confirm download</button>
             </div>
         </div>
     </div>
@@ -271,7 +271,7 @@ <h5 class="modal-title">Archive datapackage to tape</h5>
             </div>
             <div class="modal-footer">
                 <button class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
-                <button class='btn btn-primary action-confirm-vault-archival'>Confirm archive</button>
+                <button class="btn btn-primary action-confirm-vault-archival">Confirm archive</button>
             </div>
         </div>
     </div>
@@ -289,7 +289,7 @@ <h5 class="modal-title">Unarchive datapackage from tape</h5>
             </div>
             <div class="modal-footer">
                 <button class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
-                <button class='btn btn-primary action-confirm-vault-unarchive'>Confirm unarchive</button>
+                <button class="btn btn-primary action-confirm-vault-unarchive">Confirm unarchive</button>
             </div>
         </div>
     </div>