利用float与overflow:hidden实现移动端两栏自适应布局

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .box {
            margin-top: 200px;
            height: 50px;
            background-color: pink;
        }

        .left {
            width: 50px;
            height: 50px;
            background-color: deepskyblue;
            /*左边的盒子左浮动*/
            float: left;
        }

        .right {
            /*box-sizing: border-box;*/
            /*padding-left: 50px;*/
            height: 50px;
            background-color: orangered;
            /*右边的盒子设置overflow:hidden*/
            overflow: hidden;
        }

    </style>
</head>
<body>
<div class="box">
    <div class="left">
        左边固定宽度
    </div>
    <div class="right">
        右边宽度自适应, 右边宽度自适应, 右边宽度自适应,右边宽度自适应,
        右边宽度自适应, 右边宽度自适应, 右边宽度自适应, 右边宽度自适应,
        右边宽度自适应, 右边宽度自适应, 右边宽度自适应, 右边宽度自适应,
    </div>
</div>
</body>
</html>