實現的效果
html部分
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>熒光邊框</title>
<link rel="stylesheet" href="./css/index.css">
</head>
<body>
<div class="box">
<div class="content">
<h1>Glowing Border</h1>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Laudantium, nulla et repudiandae ullam sequi minus eum, architecto quam non eaque voluptas ut voluptatibus consectetur, rerum quaerat labore debitis. Alias, modi!</p>
</div>
</div>
</body>
</html>
css部分
body {
margin: 0;
padding: 0;
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: #060c21;
}
.box {
position: relative;
width: 300px;
height: 400px;
display: flex;
justify-content: center;
align-items: center;
background: #060c21;
}
.box::before {
content:"";
position: absolute;
top: -2px;
bottom: -2px;
right: -2px;
left: -2px;
background: #fff;
z-index: -1;
}
.box::after {
content:"";
position: absolute;
top: -2px;
bottom: -2px;
right: -2px;
left: -2px;
background: #fff;
z-index: -2;
filter: blur(40px);
}
.box::before,
.box::after {
background: linear-gradient(235deg,#89ff00,#060c21,#00bcd4);
}
.content {
padding: 20px;
box-sizing: border-box;
color: #fff;
}