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