JSFiddle - React, Tailwind, and code Playground

HTML

<div class="blink_me"> Blink</div>

CSS

.blink_me {
    animation-name: blinker;
    animation-duration: 5s;
    animation-iteration-count: infinite;

    -webkit-animation-name: blinker;
    -webkit-animation-duration: 5s;
    -webkit-animation-iteration-count: infinite;
    background:#ff0000;
    border:1px solid #00ff00;
    
}


@-webkit-keyframes blinker {
    0% {width:20px; opacity: 0;}  
    50% {width:20px; opacity: 1; }
    100% {width:50px; opacity: 0; }
}