diff --git a/app/assets/stylesheets/darkswarm/shop.css.sass b/app/assets/stylesheets/darkswarm/shop.css.sass
index 6dd03fce3d..2ae0e809c7 100644
--- a/app/assets/stylesheets/darkswarm/shop.css.sass
+++ b/app/assets/stylesheets/darkswarm/shop.css.sass
@@ -1,4 +1,5 @@
 @import mixins
+@import animations
 @import variables
 @import branding
 @import big-input
@@ -25,6 +26,21 @@
       .add_to_cart
         margin-top: 2rem
 
+    form
+      input.small.button.primary.right.add_to_cart
+        &.dirty
+          padding-right: 3.2rem
+      i.cart-spinner
+        position: absolute
+        top: 14px
+        right: 38px
+        color: white
+        font-size: 1.2em
+        // Necessary to be below Z index of cart popover:
+        z-index: 98
+        -webkit-animation: spin 2s infinite linear
+        animation: spin 2s infinite linear
+
     product
       @include csstrans
       border-bottom: 1px solid #e5e5e5