| # | 
 | # Following is the asciidoctor-pdf default theme [1], with small | 
 | # customizations, mostly for header and footer, marked "EE". | 
 | # | 
 | # [1] https://github.com/asciidoctor/asciidoctor-pdf/blob/master/data/themes/default-theme.yml | 
 | # | 
 | font: | 
 |   catalog: | 
 |     # Noto Serif supports Latin, Latin-1 Supplement, Latin Extended-A, Greek, Cyrillic, Vietnamese & an assortment of symbols | 
 |     Noto Serif: | 
 |       normal: notoserif-regular-subset.ttf | 
 |       bold: notoserif-bold-subset.ttf | 
 |       italic: notoserif-italic-subset.ttf | 
 |       bold_italic: notoserif-bold_italic-subset.ttf | 
 |     # M+ 1mn supports ASCII and the circled numbers used for conums | 
 |     M+ 1mn: | 
 |       normal: mplus1mn-regular-ascii-conums.ttf | 
 |       bold: mplus1mn-bold-ascii.ttf | 
 |       italic: mplus1mn-italic-ascii.ttf | 
 |       bold_italic: mplus1mn-bold_italic-ascii.ttf | 
 |     # M+ 1p supports Latin, Latin-1 Supplement, Latin Extended, Greek, Cyrillic, Vietnamese, Japanese & an assortment of symbols | 
 |     # It also provides arrows for ->, <-, => and <= replacements in case these glyphs are missing from font | 
 |     M+ 1p Fallback: | 
 |       normal: mplus1p-regular-fallback.ttf | 
 |       bold: mplus1p-regular-fallback.ttf | 
 |       italic: mplus1p-regular-fallback.ttf | 
 |       bold_italic: mplus1p-regular-fallback.ttf | 
 |   fallbacks: | 
 |     - M+ 1p Fallback | 
 | page: | 
 |   background_color: ffffff | 
 |   layout: portrait | 
 |   margin: [0.5in, 0.67in, 0.67in, 0.67in] | 
 |   # margin_inner and margin_outer keys are used for recto/verso print margins when media=prepress | 
 |   margin_inner: 0.75in | 
 |   margin_outer: 0.59in | 
 |   #size: A4                                     # EE | 
 |   size: Letter                                  # EE | 
 | base: | 
 |   align: justify | 
 |   # color as hex string (leading # is optional) | 
 |   font_color: 333333 | 
 |   # color as RGB array | 
 |   #font_color: [51, 51, 51] | 
 |   # color as CMYK array (approximated) | 
 |   #font_color: [0, 0, 0, 0.92] | 
 |   #font_color: [0, 0, 0, 92%] | 
 |   font_family: Noto Serif | 
 |   # choose one of these font_size/line_height_length combinations | 
 |   #font_size: 14 | 
 |   #line_height_length: 20 | 
 |   #font_size: 11.25 | 
 |   #line_height_length: 18 | 
 |   #font_size: 11.2 | 
 |   #line_height_length: 16 | 
 |   font_size: 10.5 | 
 |   #line_height_length: 15 | 
 |   # correct line height for Noto Serif metrics | 
 |   line_height_length: 12 | 
 |   #font_size: 11.25 | 
 |   #line_height_length: 18 | 
 |   line_height: $base_line_height_length / $base_font_size | 
 |   font_size_large: round($base_font_size * 1.25) | 
 |   font_size_small: round($base_font_size * 0.85) | 
 |   font_size_min: $base_font_size * 0.75 | 
 |   font_style: normal | 
 |   border_color: eeeeee | 
 |   border_radius: 4 | 
 |   border_width: 0.5 | 
 | # FIXME vertical_rhythm is weird; we should think in terms of ems | 
 | #vertical_rhythm: $base_line_height_length * 2 / 3 | 
 | # correct line height for Noto Serif metrics (comes with built-in line height) | 
 | vertical_rhythm: $base_line_height_length | 
 | horizontal_rhythm: $base_line_height_length | 
 | # QUESTION should vertical_spacing be block_spacing instead? | 
 | vertical_spacing: $vertical_rhythm | 
 | link: | 
 |   font_color: 428bca | 
 | # literal is currently used for inline monospaced in prose and table cells | 
 | literal: | 
 |   font_color: b12146 | 
 |   font_family: M+ 1mn | 
 | menu_caret_content: " <font size=\"1.15em\"><color rgb=\"b12146\">\u203a</color></font> " | 
 | heading: | 
 |   align: left | 
 |   #font_color: 181818 | 
 |   font_color: $base_font_color | 
 |   font_family: $base_font_family | 
 |   font_style: bold | 
 |   # h1 is used for part titles (book doctype) or the doctitle (article doctype) | 
 |   #h1_font_size: floor($base_font_size * 2.6) # EE | 
 |   h1_font_size: floor($base_font_size * 2.5) # EE, squeeze title onto one line | 
 |   # h2 is used for chapter titles (book doctype only) | 
 |   h2_font_size: floor($base_font_size * 2.15) | 
 |   h3_font_size: round($base_font_size * 1.7) | 
 |   h4_font_size: $base_font_size_large | 
 |   h5_font_size: $base_font_size | 
 |   h6_font_size: $base_font_size_small | 
 |   #line_height: 1.4 | 
 |   # correct line height for Noto Serif metrics (comes with built-in line height) | 
 |   line_height: 1 | 
 |   margin_top: $vertical_rhythm * 0.4 | 
 |   margin_bottom: $vertical_rhythm * 0.9 | 
 | title_page: | 
 |   align: right | 
 |   logo: | 
 |     top: 10% | 
 |   title: | 
 |     top: 55% | 
 |     font_size: $heading_h1_font_size | 
 |     font_color: 999999 | 
 |     line_height: 0.9 | 
 |   subtitle: | 
 |     font_size: $heading_h3_font_size | 
 |     font_style: bold_italic | 
 |     line_height: 1 | 
 |   authors: | 
 |     margin_top: $base_font_size * 1.25 | 
 |     font_size: $base_font_size_large | 
 |     font_color: 181818 | 
 |   revision: | 
 |     margin_top: $base_font_size * 1.25 | 
 | block: | 
 |   margin_top: 0 | 
 |   margin_bottom: $vertical_rhythm | 
 | caption: | 
 |   align: left | 
 |   font_size: $base_font_size * 0.95 | 
 |   font_style: italic | 
 |   # FIXME perhaps set line_height instead of / in addition to margins? | 
 |   margin_inside: $vertical_rhythm / 3 | 
 |   #margin_inside: $vertical_rhythm / 4 | 
 |   margin_outside: 0 | 
 | lead: | 
 |   font_size: $base_font_size_large | 
 |   line_height: 1.4 | 
 | abstract: | 
 |   font_color: 5c6266 | 
 |   font_size: $lead_font_size | 
 |   line_height: $lead_line_height | 
 |   font_style: italic | 
 |   first_line_font_style: bold | 
 |   title: | 
 |     align: center | 
 |     font_color: $heading_font_color | 
 |     font_family: $heading_font_family | 
 |     font_size: $heading_h4_font_size | 
 |     font_style: $heading_font_style | 
 | admonition: | 
 |   column_rule_color: $base_border_color | 
 |   column_rule_width: $base_border_width | 
 |   padding: [0, $horizontal_rhythm, 0, $horizontal_rhythm] | 
 |   #icon: | 
 |   #  tip: | 
 |   #    name: fa-lightbulb-o | 
 |   #    stroke_color: 111111 | 
 |   #    size: 24 | 
 |   label: | 
 |     text_transform: uppercase | 
 |     font_style: bold | 
 | blockquote: | 
 |   font_color: $base_font_color | 
 |   font_size: $base_font_size_large | 
 |   border_color: $base_border_color | 
 |   border_width: 5 | 
 |   # FIXME disable negative padding bottom once margin collapsing is implemented | 
 |   padding: [0, $horizontal_rhythm, $block_margin_bottom * -0.75, $horizontal_rhythm + $blockquote_border_width / 2] | 
 |   cite_font_size: $base_font_size_small | 
 |   cite_font_color: 999999 | 
 | # code is used for source blocks (perhaps change to source or listing?) | 
 | code: | 
 |   font_color: $base_font_color | 
 |   font_family: $literal_font_family | 
 |   font_size: ceil($base_font_size) | 
 |   padding: $code_font_size | 
 |   line_height: 1.25 | 
 |   # line_gap is an experimental property to control how a background color is applied to an inline block element | 
 |   line_gap: 3.8 | 
 |   background_color: f5f5f5 | 
 |   border_color: cccccc | 
 |   border_radius: $base_border_radius | 
 |   border_width: 0.75 | 
 | conum: | 
 |   font_family: M+ 1mn | 
 |   font_color: $literal_font_color | 
 |   font_size: $base_font_size | 
 |   line_height: 4 / 3 | 
 | example: | 
 |   border_color: $base_border_color | 
 |   border_radius: $base_border_radius | 
 |   border_width: 0.75 | 
 |   background_color: ffffff | 
 |   # FIXME reenable padding bottom once margin collapsing is implemented | 
 |   padding: [$vertical_rhythm, $horizontal_rhythm, 0, $horizontal_rhythm] | 
 | image: | 
 |   align: left | 
 | prose: | 
 |   margin_top: $block_margin_top | 
 |   margin_bottom: $block_margin_bottom | 
 | sidebar: | 
 |   background_color: eeeeee | 
 |   border_color: e1e1e1 | 
 |   border_radius: $base_border_radius | 
 |   border_width: $base_border_width | 
 |   # FIXME reenable padding bottom once margin collapsing is implemented | 
 |   padding: [$vertical_rhythm, $vertical_rhythm * 1.25, 0, $vertical_rhythm * 1.25] | 
 |   title: | 
 |     align: center | 
 |     font_color: $heading_font_color | 
 |     font_family: $heading_font_family | 
 |     font_size: $heading_h4_font_size | 
 |     font_style: $heading_font_style | 
 | thematic_break: | 
 |   border_color: $base_border_color | 
 |   border_style: solid | 
 |   border_width: $base_border_width | 
 |   margin_top: $vertical_rhythm * 0.5 | 
 |   margin_bottom: $vertical_rhythm * 1.5 | 
 | description_list: | 
 |   term_font_style: bold | 
 |   term_spacing: $vertical_rhythm / 4 | 
 |   description_indent: $horizontal_rhythm * 1.25 | 
 | outline_list: | 
 |   indent: $horizontal_rhythm * 1.5 | 
 |   #marker_font_color: 404040 | 
 |   # NOTE outline_list_item_spacing applies to list items that do not have complex content | 
 |   item_spacing: $vertical_rhythm / 2 | 
 | table: | 
 |   background_color: $page_background_color | 
 |   #head_background_color: <hex value> | 
 |   #head_font_color: $base_font_color | 
 |   head_font_style: bold | 
 |   #body_background_color: <hex value> | 
 |   body_stripe_background_color: f9f9f9 | 
 |   foot_background_color: f0f0f0 | 
 |   border_color: dddddd | 
 |   border_width: $base_border_width | 
 |   cell_padding: 3 | 
 | toc: | 
 |   indent: $horizontal_rhythm | 
 |   line_height: 1.4 | 
 |   dot_leader: | 
 |     #content: ". " | 
 |     font_color: a9a9a9 | 
 |     #levels: 2 3 | 
 | # NOTE in addition to footer, header is also supported | 
 | footer: | 
 |   font_size: $base_font_size_small | 
 |   # NOTE if background_color is set, background and border will span width of page | 
 |   #border_color: dddddd                         # EE | 
 |   #border_width: 0.25                           # EE | 
 |   height: $base_line_height_length * 2.5 | 
 |   line_height: 1 | 
 |   padding: [$base_line_height_length / 2, 1, 0, 1] | 
 |   vertical_align: top | 
 |   #image_vertical_align: <alignment> or <number> | 
 |   # additional attributes for content: | 
 |   # * {page-count} | 
 |   # * {page-number} | 
 |   # * {document-title} | 
 |   # * {document-subtitle} | 
 |   # * {chapter-title} | 
 |   # * {section-title} | 
 |   # * {section-or-chapter-title} | 
 |   recto: | 
 |     #columns: "<50% =0% >50%" | 
 |     right: | 
 |       #content: '{page-number}'                 # EE | 
 |       #content: '{section-or-chapter-title} | {page-number}' | 
 |       #content: '{document-title} | {page-number}' | 
 |       content: '{document-title}{nbsp}{nbsp}{nbsp} *{page-number}*' # EE | 
 |     #center: | 
 |     #  content: '{page-number}' | 
 |     left:                                       # EE | 
 |       content: '{status}'                       # EE | 
 |   verso: | 
 |     #columns: $footer_recto_columns | 
 |     left: | 
 |       #content: $footer_recto_right_content     # EE | 
 |       #content: '{page-number} | {chapter-title}' | 
 |       content: '*{page-number}* {nbsp}{nbsp}{nbsp}{document-title}' # EE | 
 |     #center: | 
 |     #  content: '{page-number}' | 
 |     right:                                      # EE | 
 |       content: '{status}'                       # EE | 
 | header:                                         # EE | 
 |   font_size: $base_font_size_small              # EE | 
 |   border_color: dddddd                          # EE | 
 |   border_width: 0.25                            # EE | 
 |   height: $base_line_height_length * 2.5        # EE | 
 |   line_height: 1                                # EE | 
 |   padding: [$base_line_height_length / 2, 1, 0, 1] # EE | 
 |   vertical_align: top                           # EE | 
 |   recto:                                        # EE | 
 |     right:                                      # EE | 
 |       content: '{section-or-chapter-title}'     # EE | 
 |   verso:                                        # EE | 
 |     left:                                       # EE | 
 |       content: '{section-or-chapter-title}'     # EE |