JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li>one</li>
    <li>two</li>
</ul>

CSS

ul{
    border: 0 solid silver;
    border-width: 0 0 1px 1px;
}
li{
    border: 0 solid silver;
    border-width: 1px 1px 0 0;
    padding:.5em;
}