<!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>
.wrap {
width: 80px;
height: 30px;
display: inline-block;
position: relative;
overflow: hidden;
border-radius: 5px;
}
.wrap .block{
width: 100%;
height: 100%;
background: #ccc;
}
.wrap::after{
content: '';
position: absolute;
top: 0;
width: 100%;
height: 100%;
background: #000;
animation: opticyChanage 1s linear infinite alternate;
}
/* .wrap::after{
content: '';
position: absolute;
top: 0;
width: 50%;
height: 100%;
background: linear-gradient(to left,rgba(255,255,255,0) 0,rgba(255,255,255,0.5) 50%,rgba(255,255,255,0) 100%);
animation: shan 1.5s ease 0s infinite;
transform: skewX(-45deg);
} */
@keyframes shan {
0%{
left: -100%;
}
100%{
left: 120%;
}
}
@keyframes opticyChanage {
0% {
opacity: .3;
}
100% {
opacity: 1;
}
}
</style>
</head>
<body>
<div class="wrap">
<div class="block"></div>
</div>
<div class="wrap">
<div class="block"></div>
</div>
<div class="wrap">
<div class="block"></div>
</div>
</body>
</html>
