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<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>遮罩效果</title> <link rel="stylesheet" type="text/css" href="demoCSS.css"/> </head> <body> <div class="box1"> </div> <div class="box2"> <img src="IMG_1001.JPG"/> </div> <div class="ads"> <button class="botton" onclick="this.parentNode.style.display='none'">X</button> <h2>我一定要学会PHP</h2> </div> </body> </html>
点击 "运行实例" 按钮查看在线实例
body{
margin: 0;
padding:0;
background-image: url(IMG_0834.JPG);
background-size: cover;
}
.box1{
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
background-color: black;
opacity: 0.6;
}
.box2 img{
width: 380px;
height: 460px;
}
.box2{
background-color: white;
position: absolute;
left: 50%;
top: 50%;
margin-left: -190px;
margin-top: -230px;
}
.ads{
width: 230px;
height: 80px;
background-color: lightblue;
position: fixed;
right: 0;
bottom: 0;
margin-top: 150px;
margin-bottom: 150px;
}
.botton{
border: none;
float: right;
background-color: none;
font-size: 2em;
color: bisque;
}点击 "运行实例" 按钮查看在线实例
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