<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>柱状图</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>