diff --git a/docs/_sass/minimal-mistakes/skins/regolith.scss b/docs/_sass/minimal-mistakes/skins/regolith.scss
index 17507b61..9ec33f35 100644
--- a/docs/_sass/minimal-mistakes/skins/regolith.scss
+++ b/docs/_sass/minimal-mistakes/skins/regolith.scss
@@ -7,7 +7,7 @@ $background-color: #313638 !default;
 $text-color: #E8E9EB !default;
 $muted-text-color: #E0DFD5 !default;
 $primary-color: #F06543 !default;
-$border-color: #000 mix(#fff, #393e46, 75%) !default;
+$border-color: $lighter-gray !default;
 $footer-background-color: $primary-color !default;
 $link-color: #F09D51 !default;
 $masthead-link-color: $text-color !default;