jQuery Mobile Tutorial 3.3 - http://ctoinsights.wordpress.com/2012/01/03/jquery-mobile-tutorial-part-iii-managing-data/

shareqr3.3.css

p.center {
	text-align: center;
}
img.center {   
	display: block;   
	margin-left: auto;   
	margin-right: auto; 
}
#delurl fieldset {
	text-align: center;
}
#delurl .ui-btn.ui-submit {
	margin: 0 5px;
}