恩就类似这种，废话不多说，直接上代码
<!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>
.b_gray {
position: absolute;
left: -.21rem;
background: #EDEDED;
width: 1px;
height: 143%;
top: -76%;
}
.lb_container {
margin-left: .25rem;
padding: 0 0 0 30px;
position: relative;
height: 40px;
line-height: 40px;
}
.b_gray::after {
content: ".";
width: 20px;
height: 20px;
background: #ccc;
border-radius: 50%;
display: block;
position: absolute;
top: 63%;
left: -10px;
z-index: 9;
}
.container {
padding: 40px 30px 40px 40px;
}
</style>
</head>
<body>
<div class="container">
<div class="lb_container">
<div alt="通过" class=" b_gray"></div>
<div>
<h3 class="t2"><span> 第一步</span></h3>
</div>
</div>
<div class="lb_container">
<div alt="通过" class="b_gray"></div>
<div>
<h3 class="t2"><span> 第二步</span></h3>
</div>
</div>
</div>
</body>
</html>小圆用伪元素生成
线为div元素
原文：https://blog.51cto.com/13496570/2416274