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