CSS3 LavaLamp Menu

CSS3 LavaLamp Menu

Demo

#nav,#nav ul {
  list-style: none outside none;
  margin: 0;
  padding: 0;
}

#nav {
  background: url(http://bit.ly/14Chqrv) no-repeat scroll 0 0 transparent;
  clear: both;
  font-size: 12px;
  height: 58px;
  padding: 0 0 0 9px;
  position: relative;
  width: 957px;
}

#nav ul {
  background-color: #222;
  border: 1px solid #222;
  border-radius: 0 5px 5px 5px;
  border-width: 0 1px 1px;
  box-shadow: 0 5px 5px rgba(0, 0, 0, 0.5);
  left: -9999px;
  overflow: hidden;
  position: absolute;
  top: -9999px;
  z-index: 2;
  transform: scaleY(0);
}

#nav li {
  background: url('http://bit.ly/178rdD6') no-repeat scroll right 5px transparent;
  float: left;
  position: relative;
}

#nav li a {
  color: #FFFFFF;
  display: block;
  float: left;
  font-weight: normal;
  height: 30px;
  padding: 23px 20px 0;
  position: relative;
  text-decoration: none;
  text-shadow: 1px 1px 1px #000000;
}

#nav li:hover > a {
  color: #00B4FF;
}

#nav li:hover, #nav a:focus, #nav a:hover, #nav a:active {
  background: none repeat scroll 0 0 #121212;
  outline: 0 none;
}

#nav li:hover ul.subs {
  left: 0;
  top: 53px;
  width: 180px;
  transform: scaleY(1);
}

#nav ul li {
  background: none;
  width: 100%;
}

#nav ul li a {
  float: none;
}

#nav ul li:hover > a {
  background-color: #121212;
  color: #00B4FF;
}

#lavalamp {
  background: url('http://bit.ly/17LIFi4') no-repeat scroll 0 0 transparent;
  height: 16px;
  left: 13px;
  position: absolute;
  top: 0px;
  width: 64px;
  transition: all 300ms ease;
}

#lavalamp:hover {
  transition-duration: 3000s;
}

#nav li:nth-of-type(1):hover ~ #lavalamp {
  left: 13px;
}

#nav li:nth-of-type(2):hover ~ #lavalamp {
  left: 90px;
}

#nav li:nth-of-type(3):hover ~ #lavalamp {
  left: 172px;
}

#nav li:nth-of-type(4):hover ~ #lavalamp {
  left: 253px;
}

#nav li:nth-of-type(5):hover ~ #lavalamp {
  left: 334px;
}

#nav li:nth-of-type(6):hover ~ #lavalamp {
  left: 415px;
}

#nav li:nth-of-type(7):hover ~ #lavalamp {
  left: 495px;
}

#nav li:nth-of-type(8):hover ~ #lavalamp {
  left: 570px;
}

  <ul id="nav">
    <li><a href="#">Home</a></li>
    <li><a class="hsubs" href="#">Menu 1</a>
      <ul class="subs">
        <li><a href="#">Item 1</a></li>
        <li><a href="#">Item 2</a></li>
      </ul>
    </li>
    <li><a class="hsubs" href="#">Menu 2</a>
      <ul class="subs">
        <li><a href="#">Item 1</a></li>
        <li><a href="#">Item 2</a></li>
      </ul>
    </li>
    <li><a class="hsubs" href="#">Menu 3</a>
      <ul class="subs">
        <li><a href="#">Item 1</a></li>
        <li><a href="#">Item 2</a></li>
      </ul>
    </li>
    <li><a href="#">Menu 4</a></li>
    <li><a href="#">Menu 5</a></li>
    <li><a href="#">Menu 6</a></li>
    <li><a href="#">Back</a></li>
    <div id="lavalamp"></div>
  </ul>