diff --git a/assets/css/_dark/dark-main.scss b/assets/css/_dark/dark-main.scss
index 939d923..60d5f75 100644
--- a/assets/css/_dark/dark-main.scss
+++ b/assets/css/_dark/dark-main.scss
@@ -46,6 +46,10 @@
   --tb-odd-bg: rgba(52, 53, 42, 0.52); /* odd rows of the posts' table */
   --tb-even-bg: rgb(31, 31, 34); /* even rows of the posts' table */
 
+  hr {
+    border-color: var(--main-border);
+  }
+
   /* posts' toc */
   nav[data-toggle=toc] .nav-link.active,
   nav[data-toggle=toc] .nav-link.active:focus,