diff --git a/templates/default-layout.cassius b/templates/default-layout.cassius
index b0fa79f..6147ea4 100644
--- a/templates/default-layout.cassius
+++ b/templates/default-layout.cassius
@@ -76,6 +76,9 @@ input[type="submit"]
     border:        none
     border-radius: 0.618em
 
+input:hover[type="submit"]
+    background:  #{dark gray}
+
 .instance
     color: #{light blue}
     font:  180% monospace