code cleanup

1 files changed, 1 insertions, 1 deletions

diff --git a/src/forms.less b/src/forms.less
index 5527b52..a26fda8 100644
--- a/src/forms.less
+++ b/src/forms.less
@@ -236,7 +236,7 @@
   display: flex;
 
   .input-group-addon {
-    background: @core-border-color;
+    background: lighten(@core-border-color, 4%);
     border: .1rem solid @control-color;
     border-radius: .3rem;
     line-height: 1.6rem;