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