lovecoding
/
W250511


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        /* css reset */
        body{
            margin: 0;
        }
        /* 工具类 */
        .clearfix::after{
            content: "";
            display: block;
            clear: both; /* 清除浮动 */
        }

        .header{
            height: 100px;
            background-color: #4CAF50;
            overflow: hidden;
        }
        .content .left{
            width: 300px;
            height: 200px;
            background-color: blue;
            float: left; /* 左侧浮动 */
        }
        .content .right{
            height: 200px;
            width: calc(100% - 300px); /* calc 计算符号左右两边必须要有空格 */
            background-color: red;
            float: left;
        }
        .footer{
            height: 100px;
            background-color:aqua ;
            overflow: hidden;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="header">
            <h1>我的网页</h1>
        </div>
        <div class="content clearfix">
            <div class="left">
                <h2>左侧内容</h2>
            </div>
            <div class="right">
                <h2>右侧内容</h2>
            </div>
        </div>
        <div class="footer">
            <p>版权所有 &copy; 2024</p>
        </div>
    </div>
    
</body>
</html>