diff --git a/app.js b/app.js
index 70f6719..c024a99 100644
--- a/app.js
+++ b/app.js
@@ -1 +1,6 @@
-alert('hi');
+var WIDTH = 800;
+var HEIGHT = 600;
+
+d3.select('svg')
+    .style('width', WIDTH)
+    .style('height', HEIGHT);
diff --git a/index.html b/index.html
index 6f4df57..da2085b 100644
--- a/index.html
+++ b/index.html
@@ -3,9 +3,10 @@
     <head>
         <meta charset="utf-8">
         <title></title>
-        <script src="https://d3js.org/d3.v4.min.js"></script>
-        <script src="app.js" charset="utf-8"></script>
     </head>
     <body>
+        <svg></svg>
+        <script src="https://d3js.org/d3.v4.min.js"></script>
+        <script src="app.js" charset="utf-8"></script>
     </body>
 </html>
