<style type="text/css">    *{        margin: 0;        padding: 0;        box-sizing: border-box;    }    .container{        width: 1000px;        height: 1000px;        margin: 100px;        background-color: #f60;    }    .left{       /*關鍵點在于將兩個元素設置為display：table-cell*/        display: table-cell;        vertical-align: top;        width: 20%;        min-width: 200px;        height: 400px;        background-color: #ccc;    }    .right{        display: table-cell;        vertical-align: top;        /*即使寬度設為2000px，元素的內容還是可以正常顯示*/        width: 2000px;        height: 600px;        background-color: #f10;    }</style><div class="container">    <div class="left">left</div>    <div class="right">right</div></div>