JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
   <li>1<li>
   <li>2<li>
   <li>3<li>
   <li>4<li>
   <li>5<li>
   <li>6<li>
   <li>7<li>
   <li>8<li>
   <li>9<li>
 </ul>

CSS

li{
    padding: 0; margin: 0;
    width: 4em;
    float: left;
}
ul{
    padding:0; margin: 0;
    width: 8em;
}