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