html {
  -moz-box-sizing: border-box;
       box-sizing: border-box;
}
a,a:hover{color:#666;text-decoration:none}

*, *:before, *:after {
  -moz-box-sizing: border-box;
       box-sizing: border-box;
}

body {
  margin: 0;
 
  font-size: 15px;
  
}

nav ul {
  list-style: none;
  padding-left: 0;
  margin-top: 0;
  margin-bottom: 0;
}

.nav {
  width: 1200px;
  margin: 0 auto;
  background: #fff;
  color: #f0f0f0;
  
}
.nav a {
  display: block;
  padding: 0 16px;
  line-height: inherit;
  cursor: pointer;
}
.nav a:hover{
 color:#FFFFFF; 
}
.nav_menu {
  line-height: 45px;
  text-transform: uppercase;
}
.nav_menu-item {
  display: inline-block;
  position: relative;
  width:130px;
  text-align:center;
}
.nav_menu-item:hover {
 background:url(../images/navbg.jpg) center no-repeat;
}
.nav_menu-item:hover .nav_submenu {
  display: block;
}
.nav_submenu {
  font-weight: 300;
  text-transform: none;
  display: none;
  position: absolute;
  width: 130px;
  font-size:16px;
  background-color: #e8f3fb;
  text-align:center;
  z-index:99999999999; 
 }
.nav_submenu a{  color:#1aa2ff;}
.nav_submenu-item:hover {
    background-color: #acdcfd;
}
.on{ background:url(../images/navbg.jpg) center no-repeat; }
.on a{ color:#FFFFFF;}