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