Key to centered forms..

gistfile1.css

/* is this friendly? I don't think so... merge after reviewing */

.center-form {
	width: 100%;
}
.center-input, .center-options, .center-submit, h1, h2, h3 {
	width: 400px;
	padding: 0px 4px 6px 4px;
	margin: 0 auto;
	text-align: center;
	position: relative;
}
.center-form input[type=submit] {
	padding: 6px 18px;
}
.center-form input[type=text], .center-form input[type=password] {
	width: 225px;
	color: #999;
}
.center-form input[type=text] {
	padding: 6px 2px;
	font-size: 18px;
}
.center-form input[type=password] { 
	padding: 2px;
	letter-spacing: 4px;
	font-size: 26px;
}
.center-form input[type=text]:focus, .center-form input[type=password]:focus {
	color: #000;
}

.center-options.ui-padded-top {
	padding-top: 26px;
}
.center-input label {
	position: absolute;
	top: 8px;
	left: -125px;
	width: 200px;
	color: #666;
	text-align: right;
}