diff --git a/themes/red/layouts/_default/art-detail.html b/themes/red/layouts/_default/art-detail.html
index d01f211..fd39df1 100644
--- a/themes/red/layouts/_default/art-detail.html
+++ b/themes/red/layouts/_default/art-detail.html
@@ -11,7 +11,7 @@
         {{ else }}
             {{ if $.Params.animation }}
                 <div style="text-align: center;">
-                    <video controls>
+                    <video class="gallery-img" controls>
                         <source src="{{ .RelPermalink }}" type="video/webm">
                     </video>
                 </div>