微信截圖_20210520201338.png
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
background: #333;
}
#modal {
width: 300px;
height: 400px;
margin: 30px auto;
}
p {
margin: 0;
padding: 0;
}
.top-box {
width: 100%;
height: 200px;
background: red;
position: relative;
margin-bottom: 20px;
border-radius: 4px 4px 0 0;
}
.bottom-box {
width: 100%;
height: 100px;
background: #fff;
position: relative;
border-radius: 0 0 4px 4px;
}
.top-box p,
.bottom-box p {
width: calc(100% - 20px);
height: 10px;
position: absolute;
left: 10px;
}
.top-box p {
background: red;
bottom: -10px;
}
.bottom-box p {
background: #fff;
top: -10px;
}
.top-box p::before,
.bottom-box p::before {
content: '';
position: absolute;
width: 10px;
height: 10px;
left: -10px;
}
.top-box p::after,
.bottom-box p::after {
content: '';
position: absolute;
width: 10px;
height: 10px;
right: -10px;
}
.top-box p::before {
background-image: radial-gradient(circle 10px at 0 100%, transparent 50px, red 50%);
}
.top-box p::after {
background-image: radial-gradient(circle 10px at 100% 100%, transparent 50px, red 50%);
}
.bottom-box p::before {
background-image: radial-gradient(circle 10px at 0 0, transparent 50px, #fff 50%);
}
.bottom-box p::after {
background-image: radial-gradient(circle 10px at 100% 0, transparent 50px, #fff 50%);
}
</style>
</head>
<body>
<div id="modal">
<div class="mask"></div>
<div class="wrap">
<div class="top-box">
<p></p >
</div>
<div class="bottom-box">
<p></p >
</div>
</div>
</div>
</body>
</html>
