JSFiddle - React, Tailwind, and code Playground

HTML

<div id="main">
    <div>test1</div>
    <div>test2</div>
    <div>test3</div>
</div>

CSS

#main div 
{
 float:left;
 width:30px;
 margin-right:10px;   
}
#main
{
 overflow:hidden;
    width:100px;
    height:50px;
    border:1px solid;
}