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Musical Drop-Down Menu

05.28.2012
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Our new tutorial explains how to develop a cool musical drop down menu (html5 + css3). This menu has css3 animation effects (neat hover effectfor  menu elements). And this is the awesome part: we also used the html5 Audio element in order to add music to this menu. If you are ready, let's start.

Final result

Musical drop down menu

Here are the samples and downloadable package:

Live Demo

download in package

Step 1. HTML

As the first, we should prepare HTML layout of our menu. Each menu element (which actually is a unordered list item) has anchor, or nested level.

<ul id="nav">
    <li><a href="#">Menu element</a>
        <ul>
            <li><a href="#">Submenu element</a></li>
            .....
        </ul>
    </li>
    <li><a href="#">Menu 4</a></li>
    .....
</ul>

Step 2. CSS

Here are the CSS styles of our menu:

#nav,#nav ul {
    list-style: none outside none;
    margin: 0;
    padding: 0;
}
#nav {
    font-family: "Lucida Sans Unicode",Verdana,Arial,sans-serif;
    font-size: 13px;
    height: 36px;
    list-style: none outside none;
    margin: 40px auto;
    text-shadow: 0 -1px 3px #202020;
    width: 700px;

    /* border radius */
    -moz-border-radius: 4px;
    -webkit-border-radius: 4px;
    border-radius: 4px;

    /* box shadow */
    -moz-box-shadow: 0px 3px 3px #cecece;
    -webkit-box-shadow: 0px 3px 3px #cecece;
    box-shadow: 0 3px 4px #8b8b8b;

    /* gradient */
    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #787878), color-stop(0.5, #5E5E5E), color-stop(0.51, #707070), color-stop(1, #838383));
    background-image: -moz-linear-gradient(center bottom, #787878 0%, #5E5E5E 50%, #707070 51%, #838383 100%);
    background-color: #5f5f5f;
}
#nav li {
    border-bottom: 1px solid #575757;
    border-left: 1px solid #929292;
    border-right: 1px solid #5d5d5d;
    border-top: 1px solid #797979;
    display: block;
    float: left;
    height: 34px;
    position: relative;
    width: 105px;
}
#nav > li:first-child {
    border-left: 0 none;
    margin-left: 5px;
}
#nav ul {
    left: -9999px;
    position: absolute;
    top: -9999px;
    z-index: 2;
}
#nav ul li {
    background: none repeat scroll 0 0 #838383;
    box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.5);
    width: 100%;
}
#nav li a {
    color: #FFFFFF;
    display: block;
    line-height: 34px;
    outline: medium none;
    text-align: center;
    text-decoration: none;

    /* gradient */
    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #787878), color-stop(0.5, #5E5E5E), color-stop(0.51, #707070), color-stop(1, #838383));
    background-image: -moz-linear-gradient(center bottom, #787878 0%, #5E5E5E 50%, #707070 51%, #838383 100%);
    background-color: #5f5f5f;
}

/* keyframes #animation */
@-webkit-keyframes animation {
    0% {
        -webkit-transform: scale(1);
    }
    30% {
        -webkit-transform: scale(1.2);
    }
    100% {
        -webkit-transform: scale(1.1);
    }
}
@-moz-keyframes animation {
    0% {
        -moz-transform: scale(1);
    }
    30% {
        -moz-transform: scale(1.2);
    }
    100% {
        -moz-transform: scale(1.1);
    }
}
#nav li > a:hover {
    /* CSS3 animation */
    -webkit-animation-name: animation;
    -webkit-animation-duration: 0.3s;
    -webkit-animation-timing-function: linear;
    -webkit-animation-iteration-count: 1;
    -webkit-animation-direction: normal;
    -webkit-animation-delay: 0;
    -webkit-animation-play-state: running;
    -webkit-animation-fill-mode: forwards;

    -moz-animation-name: animation;
    -moz-animation-duration: 0.3s;
    -moz-animation-timing-function: linear;
    -moz-animation-iteration-count: 1;
    -moz-animation-direction: normal;
    -moz-animation-delay: 0;
    -moz-animation-play-state: running;
    -moz-animation-fill-mode: forwards;
}
#nav li:hover ul {
    left: 0;
    top: 34px;
    width: 150px;
}

When we hover over a list item, we will animate (scale) it once to emulate a beat effect.

Step 3. HTML5 JavaScript

Now, it is time to add music here. In the beginning, we should prepare a new empty array (to keep our Audio objects), and then, when the page is ready, initialize the music:

// variables
var aLoops = []; // sound loops

// initialization
addEvent(window, 'load', function (event) {

    // load music files
    aLoops[0] = new Audio('media/background.ogg');
    aLoops[0].volume = 0.3;
    aLoops[1] = new Audio('media/button.ogg');
    aLoops[1].volume = 1.0;
    aLoops[2] = new Audio('media/button_click.ogg');
    aLoops[2].volume = 1.0;

    aLoops[0].addEventListener('ended', function() { // loop background sound
        this.currentTime = 0;
        this.play();
    }, false);
    aLoops[0].play();
});

And voila, we have finalized it.

Live Demo

download in package

Conclusion

Hope that you’ve enjoyed our new menu. Good luck!

Published at DZone with permission of Andrey Prikaznov, author and DZone MVB. (source)

(Note: Opinions expressed in this article and its replies are the opinions of their respective authors and not those of DZone, Inc.)

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