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