html {
text-decoration: none;
font-family: tahoma;
font-size: 9px;
color: #ffffff;
}

a
{
text-decoration: underline;
font-family: tahoma;
font-size: 9px;
color: grey;
}
a:visited
{
text-decoration: none;
font-family: tahoma;
font-size: 9px;
color: #ffffff;
}
a:hover
{
text-decoration: underline;
font-family: tahoma;
font-size: 9px;
color: #ffffff;
}

.center_site {
position: absolute;
top: 50%;
left: 50%;
margin-left: -1000px; 
margin-top: -525px;
}

.center_req {
position: absolute;
top: 100%;
left: 50%;
margin-left: -92px; 
margin-top: -50px;
}

.index_out {
position: absolute;
top: 50%;
left: 50%;
margin-left: -62px; 
margin-top: -80px;
}