Element block pseudo-class :active generated with box-shadow 1px 1px 1px rgba(0,0,0,0.3) text-shadow 1px 1px 1px rgba(0,0,0,0.2) border-radius border 0px rgba(0,0,0,1) solid overflow hidden width 160px display block font-weight normal z-index auto padding 20px font-size 16px cursor default float none height auto transition box-sizing content-box position static transform margin 0px line-height 1 background