Appearance
<!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>
<style>
.logo{
width: 100px;
height: 100px;
background-color: #fff;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
text-align: center;
line-height: 100px;
border-radius: 50%;
z-index:1;
}
.animate-wave{
position: relative;
width: 400px;
height: 400px;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
.wave{
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
background-color: rgb(111, 111, 227);
border-radius: 50%;
animation: wave 6s infinite;
}
.wave2{
animation-delay: 1s;
}
.wave3{
animation-delay: 2s;
}
.wave4{
animation-delay: 3s;
}
.wave5{
animation-delay: 4s;
}
.wave6{
animation-delay: 5s;
}
@keyframes wave{
0%{
opacity: 1;
width: 100px;
height: 100px;
}
100%{
opacity: 0;
width: 100%;
height: 100%;
}
}
</style>
</head>
<body>
<div class="logo">中心logo</div>
<div class="animate-wave">
<div class="wave wave1"></div>
<div class="wave wave2"></div>
<div class="wave wave3"></div>
<div class="wave wave4"></div>
<div class="wave wave5"></div>
<div class="wave wave6"></div>
</div>
</body>
</html>