JSFiddle - React, Tailwind, and code Playground

by lottikarotti

HTML

<div class="fadeOut"></div>

CSS

.fadeOut {
    width: 30em ;
    height: 10em ;
    background-color: lightblue ;
    
    /* animation */
    animation: fadeOut 10s forwards ;
}

@keyframes fadeOut {
    90% { opacity: 1 ; }
    100% { opacity: 0 ; }
}