very nice?

Compress JS and Sass files
remove useless Span for notifications and switch to after
Go back to 400x400px thumbnails
Add link for group creator

gallery/static/sass/components/image-view/fullscreen.sass

@@ -1,6 +1,6 @@
 .image-fullscreen
     margin: 0
-    padding: 0 0 0 3.5rem
+    padding: 0
 
     width: 100%
     height: 100%
@@ -14,7 +14,7 @@
     opacity: 0 // hide
 
     background-color: $bg-transparent
-    z-index: 21
+    z-index: 100
 
     box-sizing: border-box
 

gallery/static/sass/components/image-view/view.sass

@@ -59,7 +59,4 @@
     .info-tab.collapsed .info-header
         border-radius: $rad
 
-@media (max-width: $breakpoint)
-    .image-fullscreen
-        padding: 0 0 3.5rem 0