.menusuperior {
            position: relative;
            height: 30px;
            width: 724px;
            background: url("bg.gif") no-repeat top;
            padding: 0px;
            margin: 0px;
            overflow: hidden;
        }
                .menusuperior li {
                    float: left;
                    list-style: none;
					
                }
                    .menusuperior li.back {
                        background: url("lava.gif") no-repeat right -30px;
                        width: 9px; height: 30px;
                        z-index: 8;
                        position: absolute;
						border-top:#000000 solid 1px;
                    }
                        .menusuperior li.back .left {
                            background: url("lava.gif") no-repeat top left;
                            height: 30px;
                            margin-right: 12px; /* 7px is the width of the rounded shape */
                        }
                    .menusuperior li a {
                        font: bold 14px arial;
                        text-decoration: none;
                        color: #000;
                        outline: none;
                        text-align: center;
                        top: 7px;
                        text-transform: uppercase;
                        letter-spacing: 1px;
                        z-index: 10;
                        display: block;
                        float: left;
                        height: 30px;
                        position: relative;
                        overflow: hidden;
                        margin: auto 10px;    
                    }
                        .menusuperior li a:hover, .menusuperior li a:active, .menusuperior li a:visited {
                            border: none;
                    }