JSFiddle - React, Tailwind, and code Playground

by functionalcss

HTML

<h1 class = "dotted-line">functionalcss.com</h1>

CSS

* {
    margin: 0;
    padding: 0;
}

body {
    padding: 10px;
}

.dotted-line {
    font: normal 20px/1 Sans-Serif;
    color: #aaa;
    position: relative;
}

.dotted-line:first-line {
    background-color: #fff;
    box-shadow: 10px 0 0 #fff;
}

.dotted-line:before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    border-bottom: 1px dotted #aaa;
    z-index: -1;
}