JSFiddle - React, Tailwind, and code Playground

by kirito0709

HTML

<div id="container">
  <h1 class="title">ghbdtn</h1>
</div>

CSS

@-webkit-keyframes myfirst{
    from {box-shadow: 13px 13px 15px #ff0000;}
    to {box-shadow : none;}
}

@-moz-keyframes myfirst{
    from {box-shadow: 13px 13px 15px #ff0000;}
    to {box-shadow : none;}
}
@keyframes myfirst{
    from {box-shadow: 13px 13px 15px #ff0000;}
    to {box-shadow : none;}
}
.timer_form.blink {
    padding: 25px 0 30px 0;
    width: 560px;
    font-size: 42px;
    box-shadow: 3px 3px 5px #ff0000;
    -webkit-animation: myfirst 1s 98765432;
    -moz-animation: myfirst 1s 98765432;
    animation: myfirst 1s 98765432;
}