JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container"></div>
<div id="test"></div>

CSS

#container {
    min-width:800px;
    width: 100%;
height:30px;
 background-color:#d45;   
}
#test {
    width:800px;
height:30px;
 background-color:blue;   
}