* {
    margin: 0; 
        padding: 0;
        box-sizing: border-box;
    }

    body {
        padding: 30px; 
        font-family: "Helvetica Neue", helvetica, arial; 
        background: url('http://publicdomainpictures.net/pictures/110000/nahled/navy-blue-background.jpg');
    }

    #container {
        position: relative;
        width: 940px;       
    }

    #container:after {
        content: "";
        display: block;
        clear: both;
        height: 0;
    }

    #menu {
        position: relative;
        float: left;
        width: 100%;
        padding: 0 20px;
        border-radius: 3px;
        box-shadow: inset 0 1px 1px rgba(255,255,255,.5), inset 0 -1px 0 rgba(0,0,0,.15), 0 1px 3px rgba(0,0,0,.15);
        background: #ccc; 
    }

    #menu, #menu ul {
        list-style: none;
    }

    #menu > li {
        float: left;
        position: relative;
        border-right: 1px solid rgba(0,0,0,.1);
        box-shadow: 1px 0 0 rgba(255,255,255,.25);
        -webkit-perspective: 1000px;
        
    }

    #menu > li:first-child {
        border-left: 1px solid rgba(255,255,255,.25);
        box-shadow: -1px 0 0 rgba(0,0,0,.1), 1px 0 0 rgba(255,255,255,.25);
    }

    #menu a {
        display: block;
        position: relative;
        z-index: 10;
        padding: 13px 20px 13px 20px;
        text-decoration: none;
        color: rgba(75,75,75,1);
        line-height: 1;
        font-weight: 600;
        font-size: 12px;
        letter-spacing: -.05em;
        background: transparent;        
        text-shadow: 0 1px 1px rgba(255,255,255,.9);
        transition: all .25s ease-in-out;
    
    }

    #menu > li:hover > a {
        background: #333;
        color: rgba(0,223,252,1);
        text-shadow: none;
    }

    #menu li ul  {
        position: absolute;
        left: 0;
        z-index: 1;
        width: 200px;
        padding: 0;
        opacity: 0;
        visibility: hidden;
        border-bottom-left-radius: 4px;
        border-bottom-right-radius: 4px;
        background: transparent;
        overflow: hidden;
        -webkit-transform-origin: 50% 0%;
    }


    #menu li:hover ul {
        
        padding: 10px 0;
        background: #333;
        opacity: 1;
        visibility: visible;
        box-shadow: 1px 1px 7px rgba(0,0,0,.5);
        -webkit-animation-name: swingdown;
        -webkit-animation-duration: 1s;
        -webkit-animation-timing-function: ease;

    }

    @-webkit-keyframes swingdown {
        0% {
            opacity: .99999;
            -webkit-transform: rotateX(90deg);
        }

        30% {           
            -webkit-transform: rotateX(-20deg) rotateY(5deg);
            -webkit-animation-timing-function: ease-in-out;
        }

        65% {
            -webkit-transform: rotateX(20deg) rotateY(-3deg);
            -webkit-animation-timing-function: ease-in-out;
        }

        100% {
            -webkit-transform: rotateX(0);
            -webkit-animation-timing-function: ease-in-out;
        }
    }

    #menu li li a {
        padding-left: 15px;
        font-weight: 400;
        color: #ddd;
        text-shadow: none;
        border-top: dotted 1px transparent;
        border-bottom: dotted 1px transparent;
        transition: all .15s linear;
    }

    #menu li li a:hover {
        color: rgba(0,223,252,1);
        border-top: dotted 1px rgba(255,255,255,.15);
        border-bottom: dotted 1px rgba(255,255,255,.15);
        background: rgba(0,223,252,.02);
   }