Chaowen Chang imkojima

## index.html
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>D3: Vertical axis added</title>
    <script type="text/javascript" src="http://d3js.org/d3.v3.min.js"></script>
  <style id="jsbin-css">
#box {
	width:375px;
	height:367px;
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="utf-8">
	<title>D3: Vertical axis added</title>
	<script type="text/javascript" src="http://d3js.org/d3.v3.min.js"></script>
	<style id="jsbin-css">
	#box {
	width:375px;
	height:367px;