Element block pseudo-class :active generated with font-size 16px padding 20px margin 0px box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) border-radius position static display block line-height 1 font-weight normal border 4px rgba(0,0,0,1) solid transform background transition z-index auto width 160px box-shadow 1px 1px 1px rgba(0,0,0,0.3) overflow hidden height auto float none cursor default