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

h1 {
  width: 500px;
  margin: 100px auto 20px;
  color: #f0f0f0;
  text-align: center;
}

.nav {
	width: 1200px;
	margin: 0 auto;
	color: #FFFFFF;
	background-color: #0ba6c2;
}
.nav a {
	display: block;
	padding: 0 16px;
	line-height: inherit;
	cursor: pointer;
	color: #FFFFFF;
	font-size: 16px;
}
.nav_menu {
  line-height: 42px;
  font-weight: 700;
  text-transform: uppercase;
}
.nav_menu-item {
  display: inline-block;
  position: relative;
  width:115px;
  font-size:16px;
}
.nav_menu-item:hover {
  background-color: #0A8DA5;
}
.nav_menu-item:hover .nav_submenu {
  display: block;
}
.nav_submenu {
  font-weight: 300;
  text-transform: none;
  display: none;
  position: absolute;
  width: 220px;
  background-color: #0A8DA5;
}
.nav_submenu-item:hover {
  background: rgba(0, 0, 0, 0.1);
}