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