#let poem(content) = {
  set par(first-line-indent: 0em)

  align(center, block[
    #set align(left)
    #set block(breakable: false)
    #emph(content)
  ])
}

#poem[
  #block[
    “Hush-a-by lady, in Y/n's lap! \
    Till the feast's ready, we've time for a nap: \
    When the feast's over, we'll go to the ball--- \
    Red Queen, and White Queen, and Y/n, and all!
  ]
]