JSFiddle - React, Tailwind, and code Playground

HTML

<body></body>

CSS

@-webkit-keyframes blink {
        0%   { background:red; }
        50%  { background:green;}
        100% { background:red; }
}
@-moz-keyframes blink {
        0%   { background:red; }
        50%  { background:green;}
        100% { background:red; }
}
@-ms-keyframes blink {
        0%   { background:red; }
        50%  { background:green;}
        100% { background:red; }
}
body{
     -webkit-animation: blink 1s infinite;
     -moz-animation:    blink 1s infinite;
     -ms-animation:     blink 1s infinite;
}