Simple CSS3 button

A demo improving on the code used in another developer's demo

by necolas

HTML

<a class="button" href="#">Download</a>

CSS

body {
    font-family:Helvetica, Arial, sans-serif;
    font-size:13px;
}

.button {
    float: left;
    padding: 10px 15px;
    margin: 25px;
    font-weight: bold;
    text-transform: uppercase;
    text-shadow: 0 1px rgba(0,0,0,0.3);
    text-decoration: none;
    color: #fff;
    border: 1px solid #71706c;
    background-color: #71706c;
    background-image: -webkit-gradient(
        linear,
        0 0, 0 100%,
        color-stop(50% , rgba(255,255,255,0.2)),
        color-stop(50% , rgba(255,255,255,0)),
        color-stop(100%, rgba(255,255,255,0))
    );
    background-image: -webkit-linear-gradient(
        50%  rgba(255,255,255,0.2),
        50%  rgba(255,255,255,0),
        100% rgba(255,255,255,0)
    );
    background-image: -moz-linear-gradient(
        50%  rgba(255,255,255,0.2),
        50%  rgba(255,255,255,0),
        100% rgba(255,255,255,0)
    );
    background-image: linear-gradient(
        50%  rgba(255,255,255,0.2),
        50%  rgba(255,255,255,0),
        100% rgba(255,255,255,0)
    );
    -moz-border-radius: 20px;
         border-radius: 20px;
    -webkit-box-shadow: 0 1px 5px rgba(0,0,0,0.7), 
                        inset 0 1px 3px rgba(255,255,255,0.35);
       -moz-box-shadow: 0 1px 5px rgba(0,0,0,0.7), 
                        inset 0 1px 3px rgba(255,255,255,0.35);                   box-shadow: 0 1px 5px rgba(0,0,0,0.7), 
                        inset 0 1px 3px rgba(255,255,255,0.35);
    -webkit-transition: all .15s ease-in;
       -moz-transition: all .15s ease-in;
         -o-transition: all .15s ease-in;
            transition: all .15s ease-in;
}

.button:hover,
.button:focus, 
.button:active {
    background-color:#1c85fa;
    border-color:#1c85fa;
}

JavaScript

/*

Reproducing http://www.fullstopinteractive.com/demos/buttons/

...with semantic HTML and more flexible CSS.

*/