diff --git a/src/scss/cdb-components/forms/color_bar.scss b/src/scss/cdb-components/forms/color_bar.scss
index 0bfd1ff..87c5c15 100644
--- a/src/scss/cdb-components/forms/color_bar.scss
+++ b/src/scss/cdb-components/forms/color_bar.scss
@@ -63,6 +63,7 @@
   height: 6px;
   border: 1px solid rgba(0, 0, 0, 0.2);
   border-radius: 6px;
+  box-sizing: border-box;
 
   &:last-child {
     margin-right: 0;