JSFiddle - React, Tailwind, and code Playground

by GaryC123

HTML

<div class="container">
    <div id="banner1"></div>
    <div id="banner2"></div>
</div>

CSS

.container {
    position:relative
}
#banner1,#banner2 {
    position:absolute;
    width:100px;
    height:50px
}
#banner1 {
    background:blue
}
#banner2 {
    background:green;
    opacity:0;
       transition: opacity 1s ease-in-out;
   -moz-transition: opacity 1s ease-in-out;
   -webkit-transition: opacity 1s ease-in-out;
}


.container:hover #banner2{
      opacity: 1;
       transition: opacity 1s ease-in-out;
   -moz-transition: opacity 1s ease-in-out;
   -webkit-transition: opacity 1s ease-in-out;
}