missaleaflet.sty

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{missaleaflet}

% Paper size: 2 * B5 JIS = B4 JIS
\geometry{b5j,margin=16mm,columnsep=8mm,twocolumn}
\geometry{nohead}

% All text pages the same height
\flushbottom

%\pagestyle{empty} % no page numbers

\usepackage{titlesec} % is it possible to put it into the .cls file?
\titleformat{\section}
  {\large\bfseries\color{\missa@titlecolor}} % format
  {}                          % label (the number)
  {0pt}                       % separation between label and title
  {%                          % before
    \scshape
    \framecolorbox{\missa@litcolor}{\missa@litcolor}[\columnwidth-2\fboxsep-2\fboxrule]
  }
\titleformat{\subsection}
  {\large\bfseries\color{\missa@litcolor}} % format
  {}                          % label (the number)
  {0pt}                       % separation between label and title
  {%                          % before
    \scshape
  }
\titlespacing*{\subsection}{0pt}{*3}{-1.5ex plus .2ex}