diff --git a/assets/css/post_text.css b/assets/css/post_text.css
index fa01174..4b2d928 100644
--- a/assets/css/post_text.css
+++ b/assets/css/post_text.css
@@ -229,7 +229,7 @@ pre > code {
 
 .post__id:link::first-letter { text-decoration: underline; }
 
-.post__id:active { border: inset; }
+.post__id:active { border: inset var(--true-gray); }
 
 .post__date, .post__author, .post__body {
   margin: 1em 0.5em;