JSFiddle - React, Tailwind, and code Playground
by daker
HTML
<div></div>
CSS
body,
html{
height:100%;
width: 100%; /* needed for FF */
display: box;
box-orient:horizontal;
box-pack:center;
box-align:center;
display: -webkit-box;
-webkit-box-orient: horizontal;
-webkit-box-pack: center;
-webkit-box-align: center;
display: -moz-box;
-moz-box-orient:horizontal;
-moz-box-pack:center;
-moz-box-align:center;
display:-ms-flexbox;
-ms-flex-pack:center;
-ms-flex-align:center;
}
div{
width: 100px;
height: 100px;
background-color: #e9573f;
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
-ms-border-radius: 3px;
-o-border-radius: 3px;
}