body
{
background:#000000;
}

A
{
font-family:"Tahoma";
font-size: 15px;
text-decoration:none;
background:black;
color:red;
width:125px;
height:25px;
text-align:center;
border:1px solid red;
}

A:HOVER
{
font-family:"Tahoma";
font-size: 15px;
text-decoration:none;
background:yellow;
color:red;
width:125px;
height:25px;
text-align:center;
border-left:15px solid red;
}

UL
{
list-style-type:none;
}

LI
{
display:inline;
}