diff -u b/core/themes/bartik/css/components/buttons.css b/core/themes/bartik/css/components/buttons.css
--- b/core/themes/bartik/css/components/buttons.css
+++ b/core/themes/bartik/css/components/buttons.css
@@ -17,7 +17,7 @@
   font-size: 0.929em;
   font-weight: normal;
   text-align: center;
-  padding: 0.320em 1.063em;
+  padding: 0.308em 1.063em;
   border-radius: 1em;
   display: inline-block;
   line-height: normal;