效果图：
代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<title></title>
<style type="text/css">
.card{
z-index: 1;
width: 250px;
height: 250px;
background-color: aliceblue;
position: relative;
overflow: hidden;
}
.bg{
z-index: 3;
width: 240px;
height: 240px;
background-color: yellow;
position: absolute;
left: 5px;
top: 5px;
}
.blob2{
z-index: 2;
width: 250px;
height: 250px;
position: absolute;
left: -50%;
top: -50%;
border-radius: 50%;
background-color: red;
transform-origin: right bottom;
animation: scanning 5s linear infinite;
}
.blob{
z-index: 2;
width: 250px;
height: 250px;
position: absolute;
left: 50%;
top: 50%;
border-radius: 50%;
background-color: red;
transform-origin: left top;
animation: scanning 5s linear infinite;
}
@keyframes scanning{
to{
transform: rotate(360deg);
}
}
</style>
</head>
<body
style="background-color: black;">
<div class="card">
<div class="bg"></div>
<div class="blob"></div>
<div class="blob2"></div>
</div>
</body>
</html>
效果图
代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<style>
*{
margin: 0;
padding: 0;
}
body{
background-color: black;
}
.container{
width: 100vw;
height: 100vh;
backdrop-filter: blur(50px);
display: flex;
justify-content: center;
}
.box{
z-index: 1;
width: 250px;
box-sizing: border-box;
height: 250px;
margin: 50px;
background-color: red;
position: relative;
overflow: hidden;
-webkit-box-reflect: below 10px linear-gradient(to bottom, rgba(0,0,0,0), rgba(0,0,0,0.4));
}
:root{
--wi:5px;
--hi:5px;
}
.rect_out{
z-index: 3;
position: absolute;
width: calc(100% - var(--wi));
height: calc(100% - var(--hi));
left: calc(var(--wi)/2);
top: calc(var(--hi)/2);
background-color: green;
}
.rect_in{
z-index: 2;
width: 100%;
height: 100%;
background-color: yellow;
position: absolute;
left: -50%;
top: -50%;
border-radius: 50%;
transform-origin: right bottom;
animation: rotate 5s linear infinite;
}
@keyframes rotate{
from{
transform: rotate(0deg);
}
to{
transform: rotate(360deg);
}
}
</style>
<div class="container">
<div class="box">
<div class="rect_out"></div>
<div class="rect_in"></div>
</div>
</div>
</body>
</html>
