From 9a477e177163693dbeef1319c6780b4dbf523deb Mon Sep 17 00:00:00 2001
From: Ed Mackey <elm19087@gmail.com>
Date: Wed, 31 May 2017 17:08:27 -0400
Subject: [PATCH] Add link back to source on GitHub.

---
 index.html |  1 +
 style.css  | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/index.html b/index.html
index f247e005..f979c5a7 100644
--- a/index.html
+++ b/index.html
@@ -19,6 +19,7 @@
     </canvas>
     <canvas id="canvas2d" width="600" height="600">
     </canvas>
+    <a class="source" href="https://github.com/KhronosGroup/glTF-WebGL-PBR">source on GitHub</a>
     <div id="pbrMath">
         <div class="pbrMathSub" id="mathAll"><i>f</i>(<i>l</i>,<i>v</i>,<i>h</i>) = </div>
         <div class="pbrMathSub" id="mathDiff">Diff(l,n)</div> +
diff --git a/style.css b/style.css
index 9b3ff8f2..9bc83bc8 100644
--- a/style.css
+++ b/style.css
@@ -46,6 +46,19 @@ html, body {
     display: inline;
 }
 
+a.source,
+a.source:visited {
+    position: absolute;
+    top: 8px;
+    left: 10px;
+    color: white;
+    text-decoration: none;
+}
+
+a.source:hover {
+    text-decoration: underline;
+}
+
 .activeComponent {
     background-color: darkslategray;
 }