<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<style>
html,body{
width: 100%;
height: 100%;
}
* {
padding: 0;
margin: 0;
}
.chartContainer
{
position: absolute;
top: 0;
left: 0;
width: 80%;
height: 80%;
}
</style>
</head>
<body>
<div class="chartContainer"></div>
</body>
</html>