JSFiddle - React, Tailwind, and code Playground

HTML

<div id="dv1"></div>
<div id="dv2"></div>

CSS

#dv1 {
    width : 100%;
    height : 50vh;
    background-color : red;
}

#dv2 {
    width : 100%;
    height : 50vh;
    background-color : green;
}