a {
display: block;
border: 2px solid;
border-color: #aaa #000000 #000000 #aaa;
width: 7em;
background: #2C3E84;
}

a:hover
{
position: relative;
top: 1px;
left: 1px;
border-color: #2C3E84 #2C3E84 #0C0E0C #0C0E0C;
background: #A40204;
}