sub create_style {
  my $document  = shift;
  my $fontname  = shift;
  my $font_size = shift;
  my $bold      = shift;
  my $italic    = shift;

  my $style = $document->Styles->Add($cur_style);

  my $style_font = $style->{Font};

  $style_font -> {Name  } = $fontname;
  $style_font -> {Size  } = $font_size;
  $style_font -> {Bold  } = $bold;
  $style_font -> {Italic} = $italic;

  my %style;

  $style{name} = $cur_style++;
  return \%style;
}