doctype html
html[lang="en"]
  head
    css:
      body { margin: 20px }
      .content {
        background-color: #ddd;
        padding: 20px;
        width: #{params[:width] || 960}px;
      }
      p { font-family: serif; font-size: 16px }
  body
    div.content
      = yield
