.menu ul li.opc1 a { background:url(../images/menu_PT.jpg) no-repeat left top; }
.menu ul li.opc1 a:hover, .menu ul li.opc1 a.active { background:url(../images/menu_PT.jpg) no-repeat left -85px; }

.menu ul li.opc2 a { background:url(../images/menu_PT.jpg) no-repeat -100px top; }
.menu ul li.opc2 a:hover, .menu ul li.opc2 a.active { background:url(../images/menu_PT.jpg) no-repeat -100px -85px; }

.menu ul li.opc3 a { background:url(../images/menu_PT.jpg) no-repeat -205px top; }
.menu ul li.opc3 a:hover, .menu ul li.opc3 a.active { background:url(../images/menu_PT.jpg) no-repeat -205px -85px; }

.menu ul li.opc4 a { background:url(../images/menu_PT.jpg) no-repeat -257px top; }
.menu ul li.opc4 a:hover, .menu ul li.opc4 a.active { background:url(../images/menu_PT.jpg) no-repeat -257px -85px; }

.menu ul li.opc5 a { background:url(../images/menu_PT.jpg) no-repeat -305px top; }
.menu ul li.opc5 a:hover, .menu ul li.opc5 a.active { background:url(../images/menu_PT.jpg) no-repeat -305px -85px; }