高度自适应 - Jerofree Space

高度自适应 2017.05.24

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>

        #left{
            background-color: #cccccc;
            width: 300px;
            height: 100%;
            float: left;
        }

        html,body{
            margin: 0px;
            height: 100%;
        }
    </style>
</head>
<body>
    <div id="left">左列</div>
    <div id="center">中列</div>
    <div id="right">右列</div>
</body>
</html>