JSFiddle - React, Tailwind, and code Playground
by samih
HTML
<div class="divClass">
<form id="frm" method="post" action="/NotDefinedYet/index.xhtml" class="frmClass">
<input type="text" name="j_idt9:j_idt10:Username" placeholder="Username">
</form>
</div>
CSS
.divClass{
position: relative;
background-color: grey;
width: 350px;
height: 450px;
}
.frmClass{
width: 280px;
height: 150px;
position: absolute;
top: 50%;
left: 50%;
-webkit-transform: translate(-50%, -50%);
background-color: white;
}