???<style> ???????*{ ???????????padding: 0; ???????????margin: 0; ???????} ???????#left{ ???????????float: right; ???????????width: 100%; ???????????height: 300px; ???????} ???????#box{ ???????????margin-right:220px; ???????????background-color: pink; ???????????height: 300px; ???????} ???????#right{ ???????????float: right; ???????????margin-right: -100%; ???????????width: 200px; ???????????height: 300px; ???????????background-color: yellow; ???????} ???</style><div> ???<div id="left"> ???????<div id="box"></div> ???</div> ???<div id="right" ></div></div>
【HTML+CSS】右侧固定，左侧自适应布局
原文地址：https://www.cnblogs.com/code-klaus/p/9007309.html