<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="Cache-Control " content="no-cache,must-revalidate">
<meta name="description" content="">
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,minimum-scale=1.0,user-scalable=no">
<meta content="telephone=no" name="format-detection" />
<meta name="x5-orientation" content="portrait">
<title>关闭</title>
</head>
<style>
.app {
position: relative;
width: 500px;
height: 500px;
background: red;
}
.close {
width: 20px;
height: 20px;
/*方便相对于父元素进行定位*/
position: absolute;
top: 10px;
right: 10px;
border: 1px solid greenyellow;
border-radius: 100%;
display: flex;
align-items: center;
justify-content: center;
}
.close::before,
.close::after{
content: "";
height: 16px;
width: 1.5px;
background: lightgreen;
}
.close::before{
transform: rotate(45deg); /*进行旋转*/
}
.close::after{
transform: rotate(-45deg);
}
</style>
<body>
<noscript>
<strong>We're sorry but photo-live doesn't work properly without JavaScript enabled. Please enable it to
continue.</strong>
</noscript>
<div class="app">
<div class="close"></div>
</div>
</body>
</html>
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