lovecoding
/
Web1020


			
				
					
						
						
							12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970
							<!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>
        /* BFC */
        .box{
            width: 200px;
            height: 200px;
            background-color: blue;
            /* overflow: hidden; */
            border:1px solid black;
        }
        .box2{
            width: 100px;
            height: 100px;
            background-color: red;
            margin-left: 10px;
            margin-top: 50px;
        }
        .box3,.box4{
            width: 100px;
            height: 100px;
            background-color: green;
        }
        .box3{
            margin-bottom: 30px;
        }
        .box4{
            margin-top: 20px;
            background-color: purple;
        }
        .box5{
            overflow: hidden;
        }
        .box6,.box7{
            width: 100px;
            height: 100px;
            background-color: blue;
            float: left;
        }
        .box7{
            background-color: red;
        }
        .box8{
            overflow: hidden;
            background-color:green;
        }
    </style>
</head>
<body>
    <!-- 外边距溢出 -->
    <!-- <div class="box">
        <div class="box2"></div>
    </div> -->

    <!-- 外边距合并 -->
    <!-- <div class="box5">
        <div class="box3"></div>
    </div>
    <div class="box4"></div> -->

    <div class="box8">
        <div class="box6"></div>
        <div class="box7"></div>
    </div>
</body>
</html>