1 files changed, 3 insertions, 3 deletions
diff --git a/intro.html b/intro.html
index 5ab4556..e40408e 100644
--- a/intro.html
+++ b/intro.html
@@ -24,9 +24,9 @@
         <link rel="stylesheet" href="fonts/fonts.css">
 
         <!-- Highlight.js Stylesheets -->
-        <link rel="stylesheet" href="highlight.css">
-        <link rel="stylesheet" href="tomorrow-night.css">
-        <link rel="stylesheet" href="ayu-highlight.css">
+        <link rel="stylesheet" id="highlight-css" href="highlight.css">
+        <link rel="stylesheet" id="tomorrow-night-css" href="tomorrow-night.css">
+        <link rel="stylesheet" id="ayu-highlight-css" href="ayu-highlight.css">
 
         <!-- Custom theme stylesheets -->