header, section, footer, aside, nav, article, figure {display: block; }

/* START NAV MENU */
nav {
  background-color:#2C5463;
  height:40px;
}
 
 
nav ul {
  font-family: Arial, Verdana;
  font-size: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}
 
nav ul li {
  display: block;
  position: relative;
  float: left;
 
}
 
nav li ul {
  display: none;
}
 
nav ul li a {
  display: block;
  text-decoration: none;
  padding: 7px 15px 3px 15px;
  background: #2C5463;
  color: #ffffff; 
  margin-left: 1px;
  white-space: nowrap;
  height:30px; /* Width and height of top-level nav items */
  width:90px;
  text-align:center;
 
}
 
nav ul li a:hover {
  background: #617F8A;
}
 
nav li:hover ul {
  display: block;
  position: absolute;
  height:30px;
}
 
nav li:hover li {
  float: none;
  font-size: 11px;
 
}
 
nav li:hover a {
  background: #3A464F;
  height:30px; /* Height of lower-level nav items is shorter than main level */
}
 
nav li:hover li a:hover {
  background: #95A9B1;
}
 
nav ul li ul li a {
    text-align:left; /* Top-level items are centered, but nested list items are left-aligned */
}
 
/* END NAV MENU */