diff --git a/src/index.styl b/src/index.styl
index ea82796..8deecf8 100644
--- a/src/index.styl
+++ b/src/index.styl
@@ -191,7 +191,6 @@ $expandSize = 7px
       appearance:none
       display:block
       width:100%
-      height: 100%
       border: 0
       border-radius: 3px
       padding: 6px