Membuat 3D Flip Down Menu

<style type="text/css">
.menuHolder {margin:25px 0 100px 0; text-align:center; position:relative; height:40px; z-index:20; background:#069;
background-image: -moz-linear-gradient(-90deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0));
background-image: -webkit-linear-gradient(-90deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0));
background-image: -o-linear-gradient(-90deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0));
background-image: linear-gradient(-90deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0));
border-radius:8px;
box-shadow:0 15px 10px -8px rgba(0,0,0,0.4);
-moz-perspective: 100px;
-webkit-perspective: 100px;
-o-perspective: 100px;
perspective: 100px;
}
.menuHolder ul.nav li {display:inline-block; display:inline;}

.menuHolder ul.nav {padding:0; margin:0; list-style:none; display:inline-block;
-moz-transform-style: preserve-3d;
-webkit-transform-style: preserve-3d;
-o-transform-style: preserve-3d;
transform-style: preserve-3d;
}

.menuHolder ul.nav li {float:left; display:block; padding:0 4px;}
.menuHolder ul.nav > li {-moz-transform-style: preserve-3d;-webkit-transform-style: preserve-3d;}

.menuHolder ul.nav li a.top-a {display:block; text-decoration:none; margin-top:4px; float:left; height:36px;}
.menuHolder ul.nav li a.top-a b {display:block; padding:0 20px; font:normal 14px/30px arial, sans-serif; color:#fff;}

.menuHolder ul.nav li:hover a.top-a {background:#09c; border-radius:8px 8px 0 0;
-moz-box-shadow:inset 0px 3px 3px rgba(0, 0, 0, 0.4);
-webkit-box-shadow:inset 0px 3px 3px rgba(0, 0, 0, 0.4);
-o-box-shadow:inset 0px 3px 3px rgba(0, 0, 0, 0.4);
box-shadow:inset 0px 3px 3px rgba(0, 0, 0, 0.4);
}

.menuHolder ul.nav div {position:absolute; top:40px; left:4px; background:#09c; padding:5px 0 10px 0;
border-radius:0 0 15px 15px;
box-shadow:0 15px 10px -8px rgba(0,0,0,0.4);

-webkit-transition: 0.5s;
-moz-transition: 0.5s;
-o-transition: 0.5s;
transition: 0.5s;

-moz-transform-origin: 0px 0px;
-moz-transform: rotateX(-90deg);
-webkit-transform-origin: 0px 0px;
-webkit-transform: rotateX(-90deg);
-o-transform-origin: 0px 0px;
-o-transform: rotateX(-90deg);
transform-origin: 0px 0px;
transform: rotateX(-90deg);

-moz-backface-visibility: hidden;
-webkit-backface-visibility: hidden;
-o-backface-visibility: hidden;
backface-visibility: hidden;
}
.menuHolder ul.nav div.left {left:auto; right:4px;}

.menuHolder ul.nav div ul {padding:10px 0; list-style:none; width:140px; margin:10px 5px 0 5px; float:left; display:inline; text-align:left; background:#fff; border-radius:6px;
-moz-box-shadow:inset 0px 3px 3px rgba(0, 0, 0, 0.4);
-webkit-box-shadow:inset 0px 3px 3px rgba(0, 0, 0, 0.4);
-o-box-shadow:inset 0px 3px 3px rgba(0, 0, 0, 0.4);
box-shadow:inset 0px 3px 3px rgba(0, 0, 0, 0.4);
}
.menuHolder ul.nav div ul.colLeft {margin-left:10px;}
.menuHolder ul.nav div ul.colRight {margin-right:10px;}
.menuHolder ul.nav div ul.colSingle {margin-left:10px; margin-right:10px;}

.menuHolder ul.nav div ul li {float:left; border-bottom:1px dotted #09c; margin:0 5px 0 5px; display:inline;}
.menuHolder ul.nav div ul li:last-child {border:0;}

.menuHolder ul.nav div ul li a {display:block; width:105px; text-decoration:none; font:13px/16px arial, sans-serif; color:#069; margin:0; padding:4px 0 4px 15px; background:transparent url(droplistcolumns/arrow.gif) no-repeat left center;}
.menuHolder ul.nav div ul li a:hover {color:#09c; background:transparent url(droplistcolumns/arrow.gif) no-repeat 1px center;}

.menuHolder ul.nav div.col1 {width:160px;}
.menuHolder ul.nav div.col2 {width:310px;}
.menuHolder ul.nav div.col3 {width:460px;}

.menuHolder ul.nav li:hover div {
-moz-transform: rotateX(0deg);
-webkit-transform: rotateX(0deg);
-o-transform: rotateX(0deg);
transform: rotateX(0deg);
}
</style>

<div id="info">

<div class="menuHolder">
<ul class="nav">
<li><a class="top-a" href="#url"><b>Home</b></a></li>
<li><a class="top-a" href="#url"><b>Resort</b></a>
<div class="col3">
<ul class="colLeft">
<li><a href="#url">Ski Slopes</a></li>
<li><a href="#url">Night Life</a></li>
<li><a href="#url">Restaurants</a></li>
<li><a href="#url">Car Hire</a></li>
<li><a href="#url">Ski Hire Facilities</a></li>
</ul>
<ul class="col">
<li><a href="#url">Snow Hotel</a></li>
<li><a href="#url">The Snowman</a></li>
<li><a href="#url">Ice Cavern</a></li>
<li><a href="#url">Ski Inn</a></li>
</ul>
<ul class="colRight">
<li><a href="#url">Advanced Skills</a></li>
<li><a href="#url">Beginners Slopes</a></li>
<li><a href="#url">Intermediate Slopes</a></li>
<li><a href="#url">Expert</a></li>
</ul>
</div>
</li>
<li><a class="top-a" href="#url"><b>Information</b></a>
<div class="col2">
<ul class="colLeft">
<li><a href="#url">Lift Passes</a></li>
<li><a href="#url">Insurance</a></li>
<li><a href="#url">Ski Schools</a></li>
<li><a href="#url">Snow Report</a></li>
<li><a href="#url">Gear Rental</a></li>
</ul>
<ul class="colRight">
<li><a href="#url">Boots</a></li>
<li><a href="#url">Skis</a></li>
<li><a href="#url">Ski Wear</a></li>
<li><a href="#url">Goggles</a></li>
</ul>
</div>
</li>
<li><a class="top-a" href="#url"><b>Contact</b></a>
<div class="col1">
<ul class="colSingle">
<li><a href="#url">Email</a></li>
<li><a href="#url">Telephone</a></li>
<li><a href="#url">Online Form</a></li>
<li><a href="#url">Snail Mail Address</a></li>
</ul>
</div>
</li>
<li><a class="top-a" href="#url"><b>Privacy</b></a></li>
<li><a class="top-a" href="#url"><b>Nearby</b></a>
<div class="col2 left">
<ul class="colLeft">
<li><a href="#url">Where to go</a></li>
<li><a href="#url">What to do</a></li>
<li><a href="#url">Places of interest</a></li>
<li><a href="#url">National parks &amp; Museums</a></li>
</ul>
<ul class="colRight">
<li><a href="#url">Snow Hotel</a></li>
<li><a href="#url">The Snowman</a></li>
<li><a href="#url">Ice Cavern</a></li>
<li><a href="#url">Ski Inn</a></li>
</ul>
</div>
</li>
</ul>
</div>
<br /><br /><br /><br /><br /><br /><br /><br />

</div> <!-- end info -->