diff --git a/core/client/assets/sass/modules/forms.scss b/core/client/assets/sass/modules/forms.scss
index 043f1f9e64..1c8019b540 100644
--- a/core/client/assets/sass/modules/forms.scss
+++ b/core/client/assets/sass/modules/forms.scss
@@ -168,7 +168,7 @@ form {
 %button {
     @include box-sizing(border-box);
     min-height: 35px;
-    width:auto;
+    width: auto;
     display: inline-block;
     padding: 0.9em 1.37em;
     cursor: pointer;
@@ -191,6 +191,10 @@ form {
         text-decoration: none;
     }
 
+    &:active {
+        box-shadow: rgba(0,0,0,0.3) 0 1px 3px inset;
+    }
+
     &.large {
         padding: 1em 1.8em;
         font-size: 14px;