"

From 2014.igem.org

body { background-color: black; width: 1000px; }

1. index_header {

margin: 0 auto; }

1. navi_menu{

margin: 0 auto;

1. navi_menu ul{

list-style-type:none; }

1. navi_menu li a{

float: left; width: 160px; display: block; }