.button:hover {
    border: 1px solid #8bd83b;
    background: #4eb305 url(images/ui-bg_highlight-soft_50_4eb305_1x100.png) 50% 50% repeat-x;
    font-weight: normal;
    color: #ffffff;
}

.button:active {
    border: 1px solid #72b42d;
    background: #285c00 url(images/ui-bg_highlight-hard_30_285c00_1x100.png) 50% 50% repeat-x;
    font-weight: normal;
    color: #ffffff;
}