diff --git a/weblog/B0. Template/styles.css.md b/weblog/B0. Template/styles.css.md
index 813479b..3e7dc93 100644
--- a/weblog/B0. Template/styles.css.md	
+++ b/weblog/B0. Template/styles.css.md	
@@ -463,6 +463,16 @@ pre code {
   padding: 1em;
   white-space: pre-wrap;
   word-wrap: break-word;
+  position: relative;
+}
+
+code[data-lang]::after {
+  content: attr(data-lang);
+  position: absolute;
+  top: -1.5rem;
+  right: 0;
+  font-size: 1rem;
+  text-align: right;
 }
 
 img {