.button(@color, @colorFont) {
    @colorBackground: @color;
    @colorBackgroundLight: lighten(@colorBackground,50%,relativ);
    @colorShadow: fade(@colorBackground,50%);
    height: 2.5em;
    .border-radius(1.25em);
    padding: 0.5em 1.25em;
    .vertical-gradient(@colorBackgroundLight, @colorBackground);
    .box-shadow(0.1em 0.2em 0.5em @colorShadow);
    color: @colorFont;
    font-weight: bold;
    &:hover {
        .vertical-gradient(@colorBackground, @colorBackgroundLight);
    }
    margin: 0.25rem;
}