JSFiddle - React, Tailwind, and code Playground

by Alex Jones

HTML

<div class="circle">
    <span>1</span>
</div>

CSS

body {
    background-color: gray;
}
.circle {
    width: 100px;
    height: 100px;
    background-color: white;
    border-radius: 50%;
    border: 1px dashed black;
    position: relative;
    display: inline-block;
    font-size: 100px;
    cursor: pointer;
}

.circle-anim {
    -webkit-animation-delay: 100ms;
    -webkit-animation: spinZ 600ms, changeOpacity 600ms;
}

.circle span {
    width: inherit;
    height: inherit;
    vertical-align: middle;
    z-index: 1;
    position: absolute;
    color: gray;
    text-align: center;
    font-size: inherit;
    line-height: 100%;
}

@-webkit-keyframes spinZ {
    from { -webkit-transform: rotateY(0deg) }
    to { -webkit-transform: rotateY(360deg) } 
}

@-webkit-keyframes changeOpacity {
    0% { opacity: 1; }
    50% { opacity: 0; }
    100% { opacity: 1; }
}

JavaScript

var $circle = $(".circle");
$circle.on("mouseover", function(el) {
    $(this).toggleClass("circle-anim");
});