diff --git a/scss/forms/_basics.scss b/scss/forms/_basics.scss
index e43b4c30..4a8cc8d8 100644
--- a/scss/forms/_basics.scss
+++ b/scss/forms/_basics.scss
@@ -145,6 +145,7 @@
 
   // Blocks, 100%
   input:not([type="checkbox"], [type="radio"]),
+  button[type="submit"],
   select,
   textarea {
     width: 100%;