CSS3 Button Contest

My entry into the CSS3 Button Contest on Forrst. http://forrst.com/posts/CSS_Button_Contest-5J1

by nate

HTML

<ul class="buttons">
    <li><a href="#">Home</a></li>
    <li><a href="#1">About</a></li>
    <li><a href="#2">Work</a></li>
    <li><a href="#3">Contact</a></li>
</ul>

CSS

body {
    background-color: hsl( 0, 0%, 80% );
}

h2 {
    clear: left;
    color: hsl(0, 0%, 50%);
    display: block;
    font-family: Futura, sans-serif;
    font-size: 24px;
    margin: 0.5em 0;
}

ul.buttons {
    float: left;
    margin: 0 0 1em;
    overflow: hidden;
    padding: 0;
}

ul.buttons li {
    float: left;
    margin-left: -5px;
    padding-left: 5px;
    padding-top: 5px;
}

ul.buttons.firefox li:first-child, ul.buttons li:first-child {
    margin-left: 0;
    padding-left: 5px;
}

ul.buttons li:last-child {
    -webkit-mask: right bottom url(http://nateeagle.com/images/css3buttons/alpha-mask.png);
}

ul.buttons li a {
    background: hsla(0, 0%, 70%, 1);
    border-bottom: 1px solid hsla(0, 0%, 40%, 1);
    border-left: 1px solid hsla(0, 0%, 40%, 1);
    border-top: 1px solid hsla(0, 0%, 40%, 1);
    color: white;
    display: block;
    font-family: Futura, Arial, sans-serif;
    font-size: 18px;
    left: -5px;
    padding: 7px 15px;
    position: relative;
    text-decoration: none;
    text-transform: uppercase;
    top: -5px;
}

ul.buttons li a {
    background: 
        -webkit-gradient(
            linear,
            50% bottom,
            50% top,
            color-stop(0, hsl(0,0%,70%)),
            color-stop(0.50, hsl(0,0%,78%))
        );
    text-shadow:
        -1px -1px 0px hsla(0, 0%, 40%, 0.5);
    -webkit-box-shadow:
        1px 1px 0 hsla(0, 0%, 40%, 1),
        2px 2px 0 hsla(0, 0%, 40%, 1),
        3px 3px 0 hsla(0, 0%, 40%, 1),
        4px 4px 0 hsla(0, 0%, 40%, 1),
        5px 5px 0 hsla(0, 0%, 40%, 1);
    -webkit-transition:
        background-color 0.5s ease-out 0,
        left 0.5s ease-out 0,
        top 0.5s ease-out 0,
        -webkit-box-shadow 0 linear 0;
}

ul.buttons li:first-child a, ul.buttons.firefox li:first-child a {
    border-radius: 10px 0 0 10px;
    -moz-border-radius: 10px 0 0 10px;
    -webkit-border-radius: 10px 0 0 10px;
}

ul.buttons li:last-child a, ul.buttons.firefox li:last-child a {
   ...