JSFiddle - React, Tailwind, and code Playground

HTML

<ol>
                <li>ALL FILES</li>
                <li>PHP SCRIPTS</li>
                <li>WORDPRESS</li>
                <li>JAVASCRIPT</li>
                <li>CSS MOBILE</li>
            </ol>
            <ul>
                <li>ALL FILES</li>
                <li>PHP SCRIPTS</li>
                <li>WORDPRESS</li>
                <li>JAVASCRIPT</li>
                <li>CSS MOBILE</li>
           </ul>
           <ul>
                <li>ALL FILES</li>
                <li>PHP SCRIPTS</li>
                <li>WORDPRESS</li>
                <li>JAVASCRIPT</li>
                <li>CSS MOBILE</li>
          </ul>
          <ul>
               <li>ALL FILES</li>
               <li>PHP SCRIPTS</li>
               <li>WORDPRESS</li>
               <li>JAVASCRIPT</li>
               <li>CSS MOBILE</li>
          </ul>

CSS

#menu .dropdown_3columns li {
    float: none;
    position: static;
    text-align: left;
}
#menu li {
    border: medium none;
    display: block;
    float: left;
    height: 28px;
    margin-left: 0;
    padding-left: 18px;
    padding-right: 18px;
    padding-top: 8px;
    position: relative;
    text-align: center;
}