<!DOCTYPE html>
<html lang="zh">
<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>css 进度条</title>
<style type="text/css">
.inner {
width: 40%;
max-width: 100%;
height: 10px;
background-image: linear-gradient(270deg, #F55 1%, #FF9C31 100%);
border-radius: 22px;
}
</style>
</head>
<body>
<div class="inner">
</div>
</body>
</html>
效果：
