.centrar {	position: absolute;
	top:50%;
	left:50%;
	width:980px;
	margin-left:-490px;
	height:540px;
	margin-top:-270px;
}
.body {
	font-family: Roboto,Arial,sans-serif;
    font-size: 12px;	
    color: gray;
	text-align:center;
}
.style1 {
	text-align: center;
}
.style2 {
	border-width: 0;
}
@media (max-width: 320px) {
.body {
    font-size: 16px;
}