print [join chr:lf

  [css body [kw font-family sans-serif margin 40px]]
  [css table [kw border-collapse [sym (unwords collapse width 100%)]]]

  [css (list td th) [kw border [sym (unwords 1px solid #ccc)]
                      padding 8px
                      text-align left]]

  [css th [kw background-color #f2f2f2]]
  [css .che [kw margin-right 8px]]

]