.menu{ width:700px; margin:0 auto; height:50px;}
.menu .mynav{}
.menu .mynav .nav{ float:left; position:relative; font-size:16px; line-height:50px;}
.menu .mynav .nav a{display:block; width:100px; height:50px; text-decoration:none;position:relative;overflow:hidden; color:#212121; text-align:center;
}

.menu .mynav .nav a:hover,.menu .mynav .nav a.current{ color:#fff; font-weight:bold; background: url(../Image/hoverf.png) center no-repeat #19a859; height: 50px; line-height: 60px;}

/*.menu .mynav .nav .sub { height: 0; overflow: hidden; position: absolute; top:60px; left:0; z-index: 9999; }

.menu .mynav .nav:hover .sub { height: 100px; background: #68bd21; width: 120px; line-height: 40px; }

.menu .mynav .nav:hover .sub a{ display: block; height: 40px !important; width: 100%; line-height: 40px !important; }
*/