<!doctype html>
<html>

<head>
    <style type="text/css">
        .header{
            text-align: center;
            background-color: rgb(136, 185, 229);
            height: 70px;
            line-height: 70px;
        }
        .chart{
            margin-top: 30px;
            text-align: center;
        }
    </style>
</head>

<body>

    <div class="header">
        <h2>
            Plotly Chart Demo
        </h2>
    </div>

    <div id="chart" class="chart">

    </div>
