JSFiddle - React, Tailwind, and code Playground

by akogch

HTML

<div class="linedotted"></div>

CSS

.linedotted {
  width: 400px;
  height: 1px;
  margin: 100px auto;
  background: #000;
  position: relative;
}

.linedotted:before {
  content: "";
  width: 10px;
  height: 10px;
  border: 16px solid #fff;
  background: #000;
  border-radius: 50%;
  position: absolute;
  top: -20px;
  left: calc(50% - 18px);
}