diff --git a/scss/_reboot.scss b/scss/_reboot.scss
index c2667bde00..8b9420cf16 100644
--- a/scss/_reboot.scss
+++ b/scss/_reboot.scss
@@ -264,6 +264,15 @@ label {
   margin-bottom: .5rem;
 }
 
+// Work around a Firefox/IE bug where the transparent `button` background
+// results in a loss of the default `button` focus styles.
+//
+// Credit: https://github.com/suitcss/base/
+button:focus {
+  outline: 1px dotted;
+  outline: 5px auto -webkit-focus-ring-color;
+}
+
 input,
 button,
 select,