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