div.body-wrap .collapsible-static li {list-style: none; display: block; margin:0;}
div.body-wrap .collapsible-static li a {background-color: #949494; color: #fff; padding:15px; font-size: 1.2em; display: block; font-family: Arial, Helvetica, sans-serif;  }
div.body-wrap .collapsible-static li a:hover {background-color: #aaa;}
div.body-wrap .collapsible-static > li > a {position: relative;}
div.body-wrap .collapsible-static > li:nth-child(2n+1) > a {background-color: #b7b7b7;}
div.body-wrap .collapsible-static > li:nth-child(2n+1) > a:hover {background-color:  #aaa;}
div.body-wrap .collapsible-static > li:nth-child(2n+2) > a {background-color: #949494;}
div.body-wrap .collapsible-static > li:nth-child(2n+2) > a:hover {background-color: #aaa;}