lovecoding
/
Vip0525


			
				
					
						
						
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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>
        /* 
            将元素转成行内元素 display:inline;
            将元素转成块级元素 display:block;
            将元素转成行内块级元素 display:inline-block;
        */
        .first {
            width: 300px;
            height: 300px;
            display: inline-block;
            background-color: aqua;
        }
        .second {
            width: 200px;
            height: 200px;
            display: inline-block;
            background-color: #f00;
        }
        span {
            width: 100px;
            height: 100px;
            display: block;
            border: 1px solid #f00;
        }
    </style>
</head>
<body>
    <div class="first">111</div>
    <div class="second">222</div>
    <span>333</span><span>444</span>
</body>
</html>