body {
margin: 0px;
height: 100%;
background-color:#07507b;
color:#FFFFFF;
text-align:center;
vertical-align:middle;
}
a:link {color: #58BBF5}     /* unvisited link */
a:visited {color: #58BBF5}  /* visited link */
a:hover {color: #FFFFFF}   /* mouse over link */
#centro {
position:absolute;
width:855px;
height:540px;
text-align:center;
top:50%;
left:50%;
margin:-270px -428px;
}