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