diff --git a/assets/css/post-single.css b/assets/css/post-single.css
index 8a0852b3..a9d1a155 100644
--- a/assets/css/post-single.css
+++ b/assets/css/post-single.css
@@ -66,7 +66,7 @@
 
 .post-content a,
 .toc a:hover {
-    box-shadow: 0 1px 0 var(--primary)
+    box-shadow: 0 1px 0
 }
 
 .post-content a code {