.btn-beveled {
    box-shadow: 0 0 0 1px #000, inset 1px 1px 0 rgba(255, 255, 255, 0.6), inset -1px -1px 0 rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.1);
}