diff --git a/assets/css/main.css b/assets/css/main.css
index f8f2bb8..dc9f252 100644
--- a/assets/css/main.css
+++ b/assets/css/main.css
@@ -253,12 +253,12 @@ svg {
   -webkit-overflow-scrolling: touch;
 }
 
-span:not([style]):not([class="language-sh"] span):not([class="language-bash"] span):not([class="meta"]):not([class="pagination"] span)::before {
+code.language-shell span:not([style]):not([class="language-sh"] span):not([class="meta"]):not([class="pagination"] span)::before {
   content: "# ";
   color: #555;
 }
 
-span:not([style]):not([class="language-sh"] span):not([class="meta"]):not([class="pagination"] span)::before {
+code.language-bash span:not([style]):not([class="language-sh"] span):not([class="meta"]):not([class="pagination"] span)::before {
   content: "$ ";
   color: #555;
 }