lovecoding
/
web0715


			
				
					
						
						
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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>
        /* 固定样式 */
        body{
            margin: 0;
        }
        .left{
            width: 400px;
            background-color: blue;
        }
        .left,.right{
            height: 500px;
        }
        .right{
            background-color: red;
        }

        /* 方法一flex */
        /* .container{
            display: flex;
        }
        
        .right{
            flex-grow: 1;
        } */

        /* 方法二定位 */
        /* .left{
            position: absolute;
            top:0;
            left: 0;
        }
        .right{
            margin-left: 400px;
        } */

        /* 方法三 calc */
        /* .left{
            float: left;
        }
        .right{
            float: right;
            width: calc( 100% - 400px);
        } */

        /* 方法四 maring*/
        .container{
            margin-left: 400px;
        }
        .right{
            width: 100%;
            float: left;
            margin-left: -400px;
        }
        .left{
            float: left;
            position: relative;
            left: -400px;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="left">left</div>
        <div class="right">right</div>
    </div>
</body>
</html>