diff --git a/assets/sass/_zen.scss b/assets/sass/_zen.scss
index a4966b4..02d99ca 100644
--- a/assets/sass/_zen.scss
+++ b/assets/sass/_zen.scss
@@ -227,6 +227,10 @@ figure {
       background-color: var(--color-error-bg);
     }
   }
+
+  button {
+    @extend %button--shadow;
+  }
 }
 
 .js-submitted {