<!--
* @Description:
* @Autor: kindring
* @Date: 2022-02-16 16:15:10
* @LastEditors: kindring
* @LastEditTime: 2022-02-16 17:00:53
* @LastDescript:
-->
<!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>
</head>
<body>
<div class="div">
<div class="t"></div>
<div class="b"></div>
</div>
</body>
<style>
body {
display: flex;
height: 100vh;
width: 100%;
justify-content: center;
align-items: center;
background-color: rgb(53, 48, 48);
}
.div {
width: 90%;
height: 25%;
position: relative;
background-color: blueviolet;
border: 3px solid white;
border-radius: 5px;
box-sizing: border-box;
padding: 3px;
}
.div>.t,
.div>.b {
width: 30px;
height: 30px;
background-color: rgb(53, 48, 48);
position: absolute;
right: 30%;
border: 3px solid white;
border-radius: 50%;
}
.div>.t::before,
.div>.b::before {
display: block;
content: '';
width: 200%;
height: 100%;
padding: 3px;
position: absolute;
background-color: rgb(53, 48, 48);
left: -5px;
}
.div>.t {
top: 0;
transform: translate(0, -60%);
}
.div>.b {
bottom: 0;
transform: translate(0, 60%);
}
.div>.t::before {
top: -6px;
transform: translate(0, -40%);
}
.div>.b::before {
bottom: -6px;
transform: translate(0, 40%);
}
</style>
</html>