a.block{
color:#990000;
background:#ffffcc; 
display:block; 
text-align:center;
vertical-align:middle; 
width:100%;
height:100%;
border:#ff8e10 solid 1px; 
padding:4px;
text-decoration:none; 
font: 11px verdana, helvetica, sans-serif, arial unicode ms, arial;
}

a.block:hover{
color:#ffffcc;
border:#ffffcc solid 1px;
background-color:#ff8e10;}