.centra {
	background-position: center;
	padding: 5px;
	height: auto;
}
.testoemail {
	font-family: Geneva, Arial, Helvetica, sans-serif;
	font-size: 12px;
	color: #000000;
}
body{
margin: 0px auto;
text-align:center;
}

div#dacentrare{
height: 500px;
margin-top: -180px;

width: 100%;
margin-left: -50%;

left: 50%;

right: 50%;

position: absolute;


text-align: center;


top: 35%;

bottom: 50%;

}