EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for captions

If theme creators wish to overwrite this mixin, they should include a atavist-caption-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for Sidebar blocks

If theme creators wish to overwrite this mixin, they should include a atavist-sidebar-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for text associated with a Pop-Up Block

If theme creators wish to overwrite this mixin, they should include a inline-block-styles-theme mixin in their theme files.

Defines general font size for Sidebar blocks.

Defines line height for Sidebar blocks.

Defines the body text font family for Sidebar blocks.

Defines the body text font size for Sidebar blocks.

Defines the paragraph top margin for Sidebar blocks, used when a project theme uses spaces between pargraphs (rather than indented paragraphs).

Defines the text color of pop-up block inline links.

Defines the padding of pop-up block inline links.

Defines the background color of pop-up block inline links.

Defines the hover state background color of pop-up block inline links.

Defines the border radius of pop-up block inline links.

Defines the primary background color of a project, to be used where section content is rendered.

Defines the primary text color of a project, to be used where section content is rendered.

A heuristic for determining whether the background color is relatively dark, which has implications for icon colors and how the alternate background color is generated.

Defines the alternate background color of a project, to be used outside of areas where the main section content is rendered, e.g., for navigational areas.

If not specified, alternate background and text colors will be generated automatically based on the values of the primary background and text colors.

Defines the alternate text color of a project, to be used outside of areas where the main section content is rendered, e.g., for navigational areas.

If not specified, alternate background and text colors will be generated automatically based on the values of the primary background and text colors.

Defines the background fill color of the navigational icon, which appears behind the icon in certain small-screen contexts.

If not specified, it will be generated automatically based on the alternate background color.

Defines the background fill color of the fixed icons that appear within projects as they look under most circumstances, superimposed upon the project’s background color.

If not specified, it will be generated automatically based on the primary text color.

Defines the color of the stroke of the fixed icons that appear within projects as they look under most circumstances, superimposed upon the project’s background color.

If not specified, it will be generated automatically.

Defines the background fill color of the fixed icons that appear within projects as they look when positioned on the alternate background color, as in a navigational element.

If not specified, it will be generated automatically.

Defines the stroke color of the fixed icons that appear within projects as they look when positioned on the alternate background color, as in a navigational element.

If not specified, it will be generated automatically based on the primary text color.

Defines the text color of links to sections that appear in various navigation styles.

If not specified, it will be generated automatically based on the alternate text color.

Defines the hover state text color of links to sections that appear in various navigation styles.

If not specified, it will be generated automatically based on the alternate text color.

Defines the text color of the current section among the section links that appear in various navigation styles.

If not specified, it will be generated automatically based on the alternate text color.

Defines the background color of links to sections that appear in various navigation styles.

Defines the hover state background color of links to sections that appear in various navigation styles.

Defines the background color of the current section among the section links that appear in various navigation styles.

Defines the hover state opacity of the fixed icons that appear within projects.

Defines the default fill opacity of the fixed icons that appear within projects.

Defines the default stroke opacity of the fixed icons that appear within projects.

Defines the default stroke width of the fixed icons that appear within projects.

Defines the hover state fill opacity of the fixed icons that appear within projects.

Defines the hover state stroke opacity of the fixed icons that appear within projects.

Defines the fill opacity of the fixed icons that appear within projects when the icons appear superimposed on certain title designs, namely those with background images, videos, or colors that depart from the project norm.

Defines the stroke width of the fixed icons that appear within projects when the icons appear superimposed on certain title designs, namely those with background images, videos, or colors that depart from the project norm.

Defines the hover state fill opacity of the fixed icons that appear within projects when the icons appear superimposed on certain title designs, namely those with background images, videos, or colors that depart from the project norm.

Defines the smallest breakpoint value.

Defines the second smallest breakpoint value.

Defines the largest breakpoint value.

Defines a breakpoint based on the width of the text column and surrounding gutters.

Defines width of left drawer TOC

Defines width of left drawer TOC at the small breakpoint

Defines the background color of the left drawer TOC. By default, it uses the alternate background color.

Defines the top padding of the left drawer TOC.

Defines the bottom padding of the left drawer TOC.

Defines the left padding of the left drawer TOC.

Defines the right padding of the left drawer TOC.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for project title text that appears within the left drawer table of contents navigation style.

If theme creators wish to overwrite this mixin, they should include a left-nav-story-title-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for each section link that appears within the left drawer TOC.

If theme creators wish to overwrite this mixin, they should include a section-listing-theme mixin in their theme files.

Defines the background color of the top navigation bar TOC. By default, it uses the alternate background color.

Defines the icon color of the top navigation bar TOC icons. By default, it uses the alternate icon color.

Defines the icon color of the top navigation bar TOC icons when the nav bar background color is absent, as happens on certain title designs

By default, the alternate icon color is used

Defines the color of the top navigation bar TOC container, where a project’s sections are listed

If none is specified, one is generated automatically based on the alternate background color.

Defines the color of links to sections, which appear in the top navigation bar TOC.

If none is specified, one is generated automatically based on the alternate text color.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for the project title that appears in the top navigation bar TOC.

If theme creators wish to overwrite this mixin, they should include a top-nav-story-title-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for the project title that appears in the top navigation bar TOC.

If theme creators wish to overwrite this mixin, they should include a top-nav-story-title-theme mixin in their theme files.

Defines the top padding of sections.

Defines the top padding of sections at the small breakpoint.

Defines the bottom padding of sections.

Defines the bottom padding of sections at the small breakpoint.

Defines the width of a project’s primary text column.

Defines the primary text column’s outside padding.

Defines the width of the left and right “gutters,” used to protect icons positioned there.

Defines the width of the left and right “gutters,” used to protect icons positioned there, at small breakpoints.

Defines the alignment of the text column. Accepted values are “left,” “right,” and “center.”

Defines the outside margin of the text column when left- and right-aligned.

Defines the combined values of the left and right gutters.

Defines the combined values of the left and right gutters at small breakpoints.

Defines the width of centered blocks.

Defines the width of the wrapper for left- and right-aligned blocks. This controls how far a block can “float away” from the text column before reaching an impassable boundary.

Defines the default width of left- and right-aligned blocks.

Defines the max width of left- and right-aligned blocks.

Defines the left and right margins of left- and right-aligned blocks.

When the text column is left- or right-aligned, this defines the width of left- and right-aligned blocks, expressed as a number between 0 and 1 representing a fraction of the text column’s width.

Defines the default duration of CSS transitions.

Defines the duration of the page-to-page transitions for paginated projects.

Defines the -webkit-font-smoothing property set on a project’s html element

If not specified, it’s determined automatically based on the project’s color values.

Defines a project’s primary font family. By default, the primary font family is used for titles, headings, captions, and navigational UI.

Defines a project’s secondary font family. By default, the secondary font family is used for body text.

Defines a project’s default font family.

Defines the font family used for headings.

Defines the font family used for captions.

Defines the font family used for body text.

Defines the font family used for blockquotes.

Defines the default paragraph font size, based on an em value of 16px.

Defines the default paragraph line height.

Defines the default paragraph font weight.

EXPERIMENTAL — The definition and use of this multiplier is subject to change

Represents the relationship in size between the primary and secondary font families. This value is used throughout the theming system to determine correct font sizes.

Defines the top margin of bulleted and numbered lists.

Defines the bottom margin of bulleted and numbered lists.

Defines the value of text-indent when projects use indented paragraphs.

Defines the width of the left indentation of bulleted and ordered lists.

Defines the list style used for bulleted lists.

Defines the color of link text.

Defines the color of link text in h2 elements.

Defines the color of link text in h3 elements.

Defines the color of link text in captions.

Defines the color of link underlines.

Defines the color of link underlines in h2 elements.

Defines the color of link underlines in h3 elements.

Defines the color of link underlines in captions.

Defines the Y value of the background-position property of link underlines.

Defines the Y value of the background-position property of link underlines in h2 elements.

Defines the Y value of the background-position property of link underlines in h3 elements.

Defines the Y value of the background-size property of link underlines.

Defines the Y value of the background-size property of link underlines in h2 elements.

Defines the Y value of the background-size property of link underlines in h3 elements.

EXPERIMENTAL — This approach to mixins is subject to change

Defines base styles for headings used throughout a project

If theme creators wish to overwrite this mixin, they should include a header-base-styles-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for h1 headings used as part of certain title designs

If theme creators wish to overwrite this mixin, they should include a atavist-cover-h1-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for h2 headings used as part of certain title designs

If theme creators wish to overwrite this mixin, they should include a atavist-cover-h2-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for bylines used as part of certain title designs

If theme creators wish to overwrite this mixin, they should include a atavist-cover-byline-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for h1 headings used within section content

If theme creators wish to overwrite this mixin, they should include a h1-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for h2 headings used within section content

If theme creators wish to overwrite this mixin, they should include a h2-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for h3 headings used within section content

If theme creators wish to overwrite this mixin, they should include a h3-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for h4 headings used within section content

If theme creators wish to overwrite this mixin, they should include a h4-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for h5 headings used within section content

If theme creators wish to overwrite this mixin, they should include a h5-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for h6 headings used within section content

If theme creators wish to overwrite this mixin, they should include a h6-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for blockquotes used within section content

If theme creators wish to overwrite this mixin, they should include a blockquote-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for horizontal rules used within section content

If theme creators wish to overwrite this mixin, they should include a hr-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for drop caps.

If theme creators wish to overwrite this mixin, they should include a drop-cap-theme mixin in their theme files.

EXPERIMENTAL — This approach to mixins is subject to change

Defines styles for link styles used within section content

If theme creators wish to overwrite this mixin, they should include a link-styles-theme mixin in their theme files.