diff --git a/src/sass/_base.scss b/src/sass/_base.scss
index 7e81ba6..87d38df 100644
--- a/src/sass/_base.scss
+++ b/src/sass/_base.scss
@@ -164,7 +164,7 @@ img {
 .gdoc-header {
   background: var(--header-background);
   color: var(--header-font-color);
-  border-bottom: 0.3em solid $second-color;
+  border-bottom: 0.3em solid var(--footer-background);
 
   &__link,
   &__link:visited {