diff --git a/css/styles.css b/css/styles.css
index 52e7677..d4c500b 100644
--- a/css/styles.css
+++ b/css/styles.css
@@ -31,6 +31,30 @@ p {
     margin: auto;
 }
 
+.repo-url{
+    position: relative;
+    margin: 0;
+    width: 100%;
+    font-size: 24px;
+    font-family: inherit;
+    font-weight: inherit;
+    line-height: 1.4em;
+    border: 0;
+    outline: none;
+    color: inherit;
+    padding: 6px;
+    border: 1px solid #999;
+    box-shadow: inset 0 -1px 5px 0 rgba(0, 0, 0, 0.2);
+    box-sizing: border-box;
+    -webkit-font-smoothing: antialiased;
+    -moz-font-smoothing: antialiased;
+    font-smoothing: antialiased;
+    padding: 16px 16px 16px 60px;
+    border: none;
+    background: rgba(209, 129, 129, 0.13);
+    box-shadow: inset 0 -2px 1px rgba(0,0,0,0.03);
+}
+
 /**
  * Demo Code
  */
@@ -167,3 +191,4 @@ footer span {
         margin-bottom: -8px;
     }
 }
+
diff --git a/index.html b/index.html
index fa8d08a..cdd449c 100644
--- a/index.html
+++ b/index.html
@@ -9,7 +9,6 @@
 
         <!-- CSS -->
         <link href="./css/styles.css" rel="stylesheet" type="text/css">
-
     </head>
     <body>
         <div class="wrapper">
@@ -28,6 +27,9 @@ <h1>
                 </p>
             </header>
             <section class="examples">
+                <div class="repo-url-wrapper">
+                  <input type="url" id="repo-url" class="repo-url" placeholder="https://github.com/{username}/{reponame}">
+                </div>
 
                 <!-- Right side, white on black -->
                 <div class="version">
@@ -179,6 +181,28 @@ <h1>
                 <path class="octo-body" 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="#ffffff"></path>
               </svg>
             </a>
+
+            <script>
+              var input = document.getElementById("repo-url");
+              var textareas = document.querySelectorAll('textarea');
+
+              input.addEventListener("keyup", function(e){
+                changeExampleCodes(this.value)
+              }, false);
+
+              function replaceUrl(text, url){
+                var text = text.split("\"");
+                text[1] = url;
+
+                return text.join("\"");
+              }
+
+              function changeExampleCodes(url){
+                [].forEach.call(textareas, function(textarea){
+                  textarea.innerHTML = replaceUrl(textarea.innerHTML, url);
+                });
+              }
+            </script>
             <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>
         </div>  
     </body>
