nav ul {
  list-style: none;
  padding-left: 0;
  margin-top: 0;
  margin-bottom: 0;
  
}
 
.nav {
  width: 1000px;
  margin: 0 auto;
  background: #196bb3;
  color: #ffffff;
 
}
.nav a {
  display: block;
  padding: 0 46px;
  line-height: inherit;
  cursor: pointer;
 
}
.nav_menu {
  line-height: 60px;
  font-weight: 700;
 
}
.nav_menu-item {
  display: inline-block;
  position: relative;
  z-index:999999999;

}
.nav_menu-item:hover {
  background-color: #328ad8;
 
}
.nav_menu-item:hover .nav_submenu {
  display: block;
}
.nav_submenu {
  font-weight: 300;
  text-transform: none;
  display: none;
  position: absolute;
  width: 156px;
  background-color: #328ad8;
}
.nav_submenu-item:hover {
  background-color: #196bb3;
}