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