JSFiddle - React, Tailwind, and code Playground

by jme11

HTML

<div id="click">Hover over me!!</div>
<div id="main"></div>

CSS

#main {
    position: absolute;
    bottom: 0;
    right: 0;
    height: calc(100% - 100px);
    width: 100%;
    background-color: red;
    transition: all 0.5s ease;
    -webkit-transition: all 0.5s ease;
    -moz-transition: all 0.5s ease;
}
#click:hover + #main {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100px;
    height: 50px;
    margin-top: 50px;
    background-color: green;
    transition: all 0.5s ease;
    -webkit-transition: all 0.5s ease;
    -moz-transition: all 0.5s ease;
}
#click {
    width: 100px;
    height: 50px;
    background-color: cornflowerblue;
    color: white;
    font-weight: bold;
    text-align: center;
}