JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li>Lorem.</li>
    <li>Nam.</li>
    <li>Aliquam.</li>
</ul>

CSS

ul {
        text-align: justify;
        width: 100%;
    }
    
    ul:after {
        content: " ";
        display: inline-block;
        width: 100%;
        background: #000;
        height: 10px
    }
    
    ul > li {
        display: inline-block
    }

@media only screen and (max-width : 479px) {
    
    ul {
        text-align: justify;
        border:solid 1px white;
        width: 100%;
    }
    
    ul:after {
        content: " ";
        display: inline-block;
        width: 100%;
        background: #000;
        height: 10px
    }
    
    ul > li {
        display: inline-block
    }
    
}