JSFiddle - React, Tailwind, and code Playground

by vals

HTML

<div class="flyin">TEST</div>

CSS

.flyin:not(.animation_done) {
    -webkit-animation: flyin 5s ease;

    margin-left: 0px;
    opacity: 0;
}

@-webkit-keyframes flyin {
    from { 
        margin-left: -210px;
        opacity: 1;
    }
    to { 
        margin-left: 0px;
        opacity: 1;
    }
}

.animation_done {
    margin-left: 0px;
    transition: margin-left 4s ease;
}

.animation_done:hover {
    margin-left: 10px;
}

JavaScript

$(document).on("animationend webkitAnimationEnd", function(e) {
    $(e.target).addClass("animation_done");
});