#menu_list {
position: relative;
padding-right:5px;
margin: 10px 0;
margin-top: 2px;
overflow: hidden;
height:40px;
margin: 0px auto;
width: 920px;
padding-top: 2px;
}

#menu_list li {
float: left;
list-style: none;

}
#menu_list li.backLava {
background: url("../images/lava.gif") no-repeat right -30px;
width: 9px; height: 30px;
z-index: 8;
position: absolute;
}
#menu_list li.backLava .leftLava {
background: url("../images/lava.gif") no-repeat top left;
height: 30px;
margin-right: 9px; /* 7px is the width of the rounded shape */
}
#menu_list li a {
font-size: 14px;
font-family: "Trebuchet MS";
font-weight: bold;
text-decoration: none;
color: #fff;
outline: none;
text-align: center;
top: 7px;
text-transform: uppercase;
letter-spacing: 0;
z-index: 10;
display: block;
float: left;
height: 30px;
position: relative;
overflow: hidden;
margin: auto 8px;    
}
#menu_list li a:hover, #menu_list li a:active, #menu_list li a:visited {
color: #fff;
border: none;
}