diff --git a/images/github.svg b/images/github.svg
new file mode 100644
index 0000000..21d54b6
--- /dev/null
+++ b/images/github.svg
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 250 250" style="fill:#151513; color:#fff;">
+    <path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
+    <path
+        d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2"
+        fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path>
+    <path
+        d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z"
+        fill="currentColor" class="octo-body"></path>
+</svg>
\ No newline at end of file
diff --git a/index.html b/index.html
index f12eb31..c650fc5 100644
--- a/index.html
+++ b/index.html
@@ -10,22 +10,13 @@
     <meta property="og:image" content="site-preview.jpg">
     <title>Microsoft Terminology Lookup</title>
     <link rel="icon" type="image/x-icon" href="/images/favicon.png">
-    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
 </head>
 
 <body>
-    <a href="https://github.com/poychang/Lookup-Microsoft-Terms" target="_blank" class="github-corner"
+    <a href="https://github.com/poychang/Lookup-Microsoft-Terms" target="_blank" class="github-corner position-absolute top-0 end-0"
         aria-label="View source on GitHub">
-        <svg width="80" height="80" viewBox="0 0 250 250"
-            style="fill:#151513; color:#fff; position: absolute; top: 0; border: 0; right: 0;" aria-hidden="true">
-            <path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
-            <path
-                d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2"
-                fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path>
-            <path
-                d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z"
-                fill="currentColor" class="octo-body"></path>
-        </svg>
+        <img src="/images/github.svg" width="80" height="80" alt="GitHub" aria-hidden="true">
     </a>
     <div class="container mt-5">
         <div class="card">
