18910140161

CSS3:透明度

顺晟科技

2021-09-15 13:13:59

173

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>CSS3:透明度</title>
    <style type="text/css">
        div{
            width:100px;
            height:100px;
            margin: 40px;
            display: inline-block;
            background-color: #ee3e80;}
        p{
            width: 100px;
            height: 100px;
            position: relative;
            top: 20px;
            left: 20px;
            margin:20px;}
        p.one {
            background-color: rgb(0,0,0);
            opacity: 0.5;}
        p.two {
            background-color: rgb(0,0,0);
            background-color: rgba(0,0,0,0.5);}
    </style>
</head>
<body>
<div><p class="one"></p></div>
<div><p class="two"></p></div>
</body>
</html>

  

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