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