编程对联:代码江湖```html编程对联:代码江湖 body { fontfamily: Arial, sansserif; lineheight: 1.6; maxwidth: 800px; margin: 0 auto; padding: 20px; } h1 { textalign: center; color: 333; } .couplet { fontsize: 18px; color: 666; textalign: center...