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