结构(HTML)部分:
<div class="box-wrapper"> <div class="left-box"> left-box </div> <div class="right-box"> right-box </div> </div>
样式(CSS)部分:
.box-wrapper { width: 600px; height: 400px; border: 1px solid red; display: flex; } .left-box { width: 200px; height: 100%; background: green; } .right-box { background: blue; flex: 1; }
浏览器中呈现的效果: