div, ul, li { margin: 0; padding: 0; border: 0; }
ul, li { list-style-type: none; text-transform: capitalize; }
.nav { font-size: 14px; width: 1000px; margin: 0 auto;height: 36px; line-height: 36px; position: relative; z-index: 999; }
    .nav a { text-decoration: none;width:100%; }
	.nav li{width:142px;}
.navmain { height: 36px; padding: 0 ; background: none ; position: relative;  }
#nav_all { height: 36px; float: left; line-height: 36px; position: relative; z-index: 999; }
    #nav_all li { text-align: center; float: left; }
        #nav_all li a { color: #333; display: inline-block; font-size: 14px; font-weight: bold; cursor: pointer;  height: 36px; line-height: 36px; white-space: nowrap; }
            #nav_all li a:hover { background:#fff; height: 36px; line-height: 36px;  overflow: hidden; }
        #nav_all li ul { display: none; position: absolute; z-index: 99; width: 1000px; left: -6px; top: 43px; }
    #nav_all ul li { background-image: none; line-height: 36px; height: 36px; padding-top: 0px; padding: 0; }
        #nav_all ul li a { background-image: none; padding: 0px 0; margin: 0px; height: 32px; line-height: 32px;font-size:12px; color: #fff; font-weight: normal; background: #639ACA; border: none; }
            #nav_all ul li a:hover { padding: 0px 0; margin: 0px auto; height: 32px; line-height: 32px; color: #fff; background: #479de6; border-top: none; }