css渐变边框+底色透明效果_css 设置动态边框且背景透明

作者：凡人多烦事01 | 2024-05-13 15:21:37

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css 设置动态边框且背景透明

网上有很多渐变边框，但是不是透明的

非透明效果：

透明效果：


<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
  .box{
    width: 500px;
    height: 500px;
    background-color: aqua;
  }
.gradient-border {
  position: relative;
}
 
.gradient-border::before {
  content: "";
  border-radius: 12px;
  padding: 2px;
  inset: 0;
  position: absolute;
  background: linear-gradient(45deg, black, transparent, black);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
}
 
.some-other-styling {
  width: 200px;
  height: 50px;
}
</style>
 
</style>
<title>渐变圆角边框示例</title>
</head>
<body>
  <div class="box">
    <div class="gradient-border some-other-styling">
    </div>
  </div>
 
</body>
</html>

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