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| <html>
<head>
<style>
.point {
background: #06DFF9;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
.point-level1 {
width: 10px;
height: 10px;
border-radius: 50%;
}
.point-level2 {
width: 20px;
height: 20px;
border-radius: 50%;
opacity: 0.45;
animation: twinkle2 1s linear infinite;
}
@keyframes twinkle2 {
0% {
width: 10px;
height: 10px;
}
100% {
width: 20px;
height: 20px;
}
}
.point-level3 {
width: 30px;
height: 30px;
border-radius: 50%;
opacity: 0.35;
animation: twinkle3 1s linear infinite;
}
@keyframes twinkle3 {
0% {
width: 10px;
height: 10px;
}
100% {
width: 30px;
height: 30px;
}
}
.point-level4 {
width: 40px;
height: 40px;
border-radius: 50%;
opacity: 0.25;
animation: twinkle4 1s linear infinite;
}
@keyframes twinkle4 {
0% {
width: 10px;
height: 10px;
}
100% {
width: 40px;
height: 40px;
}
}
</style>
</head>
<body>
<div class="point point-level1"></div>
<div class="point point-level2"></div>
<div class="point point-level3"></div>
<div class="point point-level4"></div>
</body>
</html>
|
