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