<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
.main{
position: relative;
}
.progress{
position: absolute;
margin-left: 30px;
margin-top: 15px;
460px;
height: 30px;
background: black;
border-radius: 15px;
}
.run{
position: absolute;
top:0;
left: 0;
50%;
height: 30px;
background: -webkit-linear-gradient(left bottom,
red 0%,red 25%,yellow 25%,yellow 50%,
red 50%,red 75%,yellow 75%,yellow 100%
);
border-radius: 30px;
background-size: 30px 30px;
animation: loadingMove 1s linear infinite both;
}
@keyframes loadingMove {
0%{
background-position: 0 0;
}
100%{
background-position: 0 -.3rem;
}
}
</style>
</head>
<body>
<div class="main">
<div class="progress">
<div class="run"></div>
</div>
</div>
</body>
</html>