<header class="main-header">
  <a class="logo" href="#">my site</a>
  <ul class="main-nav">
    <li><a href="#">Home</a></li>
    <li><a href="#">About</a></li>
    <li class="dropdown">
      <a href="#">Work</a>
      <ul class="drop-nav">
        <li><a href="#">Design</a></li>
        <li><a href="#">Development</a></li>
        <li class="flyout">
          <a href="#">Photography</a>
          <ul class="flyout-nav">
            <li><a href="#">Nature</a></li>
            <li><a href="#">People</a></li>
            <li><a href="#">Pets</a></li>         
          </ul>
        </li>
        <li><a href="#">Writing</a></li>       
      </ul>
    </li>
    <li><a href="#">Contact</a></li>
  </ul>
</header>

* {
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
body {
	margin: 0;
	background: #ecf0f1;
	color: #fff;
	font-family: sans-serif;
	line-height: 1.5;
}
ul {
  list-style: none;
  padding: 0;
  margin: 0; 
}
.main-header {
  margin: auto;
  width: 75%;
  min-height: 90px;
  padding: 1em 2em;
  border: 2px solid #2675a9;
  border-top: none;
  border-radius: 0 0 5px 5px;
	background: #2980b9;
}
  .main-header:after {
    content: " ";
    display: table;
    clear: both;
  }
.logo {
	display: block;
	text-decoration: none;
  float: left;
  margin-top: 14px;
  color: white;
  font-size: 1.4em;
}

/* Nav Demo Styles -------------------- */

.main-nav,
.drop-nav {
  background: #2c3e50;
}
.main-nav {
  float: right;
  border-radius: 4px;
  margin-top: 8px;
  border: solid 1px #1e2a36;
}
  .main-nav > li {
    float: left;
    border-left: solid 1px #1e2a36;
  }
  .main-nav li:first-child {
    border-left: none;
  }
  .main-nav a {
    color: #fff;
    display: block;
    padding: 10px 30px;
    text-decoration: none;
  }
.dropdown,
.flyout {
  position: relative;
}
.dropdown:after {
  content: "\25bc";
  font-size: .5em;
  display: block;
  position: absolute;
  top: 38%;
  right: 12%;
}
.drop-nav,
.flyout-nav {
  position: absolute;
  display: none;
}
.drop-nav li {
  border-bottom: 1px solid rgba(255,255,255,.2);
}
.dropdown:hover > .drop-nav,
.flyout:hover > .flyout-nav {
  display: block;
}
.flyout-nav {
  left: 100%;
  top: 0;
}
.flyout:hover a,
.flyout-nav {
  background: #395066;
}