JSFiddle - React, Tailwind, and code Playground

HTML

<table style="table-layout:fixed"><tr><td></td><td></td><td></td></tr></table>

<table><tr><td></td><td></td><td></td></tr></table>

CSS

table { width: 300px; }
td {
    width: 100px;
    height: 20px;
    background: linear-gradient(to right, #888 1px, rgba(0,0,0,0) 1px) bottom repeat-x;
    background-size: 5px 1px;
}