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>
        .box{
            width: 400px;
            height: 400px;
            border:1px dashed black;
            float: left;
            margin-left: 50px;
            margin-top: 50px;
        }
        .div1{
            width: 100px;
            height: 100px;
            background-color: red;
        }
        span{
            background-color: red;
            color: #fff;
        }
    </style>
</head>
<body>
    <div class="box">
        <div class="div1"></div>
    </div>

    <div class="box">
        <span>hello</span>
    </div>
</body>
</html>