Element block pseudo-class :active generated with width 160px box-sizing content-box background font-weight normal height auto border 0px rgba(0,0,0,1) solid overflow hidden border-radius z-index auto float none line-height 1 transition position static cursor default padding 20px margin 0px font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) text-shadow 1px 1px 1px rgba(104,104,104,1) display block transform