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