diff --git a/docs/_sass/custom/custom.scss b/docs/_sass/custom/custom.scss
index 2640e11..45ebbea 100644
--- a/docs/_sass/custom/custom.scss
+++ b/docs/_sass/custom/custom.scss
@@ -10,7 +10,7 @@ html, body, .side-bar, .main-header, .search-input {
 
 // sidebar / header dividers
 .sidebar, .site-header, .main-header {
-    border-color: #44434D8C;
+    border-color: #44434D8C !important;
 }
 
 // Anchor links