.underlinemenu{
width: 100%;
}

.underlinemenu ul{
padding: 6px 0 7px 0; /*6px should equal top padding of "ul li a" below, 7px should equal bottom padding + bottom border of "ul li a" below*/
margin: 0;
text-align: center; //set value to "left", "center", or "right"*/
}

.underlinemenu ul li{
display: inline;
}

.underlinemenu ul li a{
color: #ffffff;
font-family:Georgia, "Times New Roman", Times, serif;
font-size:18px;
padding: 6px 3px 4px 3px; /*top padding is 6px, bottom padding is 4px*/
margin: 0px 28px 0px 28px;
text-decoration: none;
}

.underlinemenu ul li a:hover, .underlinemenu ul li a.selected{
border-bottom: 3px solid #fb7d00; /*bottom border is 3px*/
border-bottom-color: #fb7d00;
}