\startmodule[art-01]

% \showframe

\setuplayout
  [topspace=2cm,
   bottomspace=2.5cm,
   width=middle,
   height=middle,
   footer=0pt]

\setupbodyfont
  [dejavu]

\setupwhitespace
  [big]

\setuphead
  [chapter]
  [style=\bfc,
   headerstate=high]

\setuphead
  [section]
  [style=\bfb]

\setuphead
  [subsection]
  [style=\bfa]

\setuphead
  [subsubsection]
  [style=\bf,
   after=]

\stopmodule