In monocolor-pink-syntax\index.less:

Starting from Atom v1.13.0, the contents of atom-text-editor elements are no longer encapsulated within a shadow DOM boundary. This means you should stop using :host and ::shadow pseudo-selectors, and prepend all your syntax selectors with syntax--. To prevent breakage with existing style sheets, Atom will automatically upgrade the following selectors:

• atom-text-editor .search-results .marker .region, :host .search-results .marker .region => atom-text-editor .search-results .syntax--marker .region,atom-text-editor .search-results .syntax--marker .region

• atom-text-editor .search-results .marker.current-result .region, :host .search-results .marker.current-result .region => atom-text-editor .search-results .syntax--marker.current-result .region,atom-text-editor .search-results .syntax--marker.current-result .region

• .syntax--keyword.control => .syntax--keyword.syntax--control

• .syntax--keyword.operator => .syntax--keyword.syntax--operator

• .syntax--keyword.other.special-method => .syntax--keyword.syntax--other.syntax--special-method

• .syntax--keyword.other.unit => .syntax--keyword.syntax--other.syntax--unit

• .syntax--constant.character.escape => .syntax--constant.syntax--character.syntax--escape

• .syntax--constant.numeric => .syntax--constant.syntax--numeric

• .syntax--constant.other.color => .syntax--constant.syntax--other.syntax--color

• .syntax--constant.other.symbol => .syntax--constant.syntax--other.syntax--symbol

• .syntax--variable.interpolation => .syntax--variable.syntax--interpolation

• .syntax--variable.parameter.function => .syntax--variable.syntax--parameter.syntax--function

• .syntax--string.regexp => .syntax--string.syntax--regexp

• .syntax--string.regexp .source.ruby.embedded => .syntax--string.syntax--regexp .syntax--source.syntax--ruby.syntax--embedded

• .syntax--string.other.link => .syntax--string.syntax--other.syntax--link

• .punctuation.definition.syntax--comment => .syntax--punctuation.syntax--definition.syntax--comment

• .punctuation.definition.syntax--string, .punctuation.definition.syntax--variable, .punctuation.definition.parameters, .punctuation.definition.array => .syntax--punctuation.syntax--definition.syntax--string, .syntax--punctuation.syntax--definition.syntax--variable, .syntax--punctuation.syntax--definition.syntax--parameters, .syntax--punctuation.syntax--definition.syntax--array

• .punctuation.definition.heading, .punctuation.definition.identity => .syntax--punctuation.syntax--definition.syntax--heading, .syntax--punctuation.syntax--definition.syntax--identity

• .punctuation.definition.bold => .syntax--punctuation.syntax--definition.syntax--bold

• .punctuation.definition.italic => .syntax--punctuation.syntax--definition.syntax--italic

• .punctuation.section.embedded => .syntax--punctuation.syntax--section.syntax--embedded

• .support.class => .syntax--support.syntax--class

• .support.function => .syntax--support.syntax--function

• .support.function.any-method => .syntax--support.syntax--function.syntax--any-method

• .entity.name.function => .syntax--entity.syntax--name.syntax--function

• .entity.name.type => .syntax--entity.syntax--name.syntax--type

• .entity.other.inherited-class => .syntax--entity.syntax--other.syntax--inherited-class

• .entity.name.class, .entity.name.type.class => `.syntax--entity.syntax--name.syntax

In monocolor-pink-syntax/index.less:

Starting from Atom v1.13.0, the contents of atom-text-editor elements are no longer encapsulated within a shadow DOM boundary. This means you should stop using :host and ::shadow pseudo-selectors, and prepend all your syntax selectors with syntax--. To prevent breakage with existing style sheets, Atom will automatically upgrade the following selectors:

• atom-text-editor .search-results .marker .region, :host .search-results .marker .region => atom-text-editor .search-results .syntax--marker .region,atom-text-editor .search-results .syntax--marker .region

• atom-text-editor .search-results .marker.current-result .region, :host .search-results .marker.current-result .region => atom-text-editor .search-results .syntax--marker.current-result .region,atom-text-editor .search-results .syntax--marker.current-result .region

• .syntax--keyword.control => .syntax--keyword.syntax--control

• .syntax--keyword.operator => .syntax--keyword.syntax--operator

• .syntax--keyword.other.special-method => .syntax--keyword.syntax--other.syntax--special-method

• .syntax--keyword.other.unit => .syntax--keyword.syntax--other.syntax--unit

• .syntax--constant.character.escape => .syntax--constant.syntax--character.syntax--escape

• .syntax--constant.numeric => .syntax--constant.syntax--numeric

• .syntax--constant.other.color => .syntax--constant.syntax--other.syntax--color

• .syntax--constant.other.symbol => .syntax--constant.syntax--other.syntax--symbol

• .syntax--variable.interpolation => .syntax--variable.syntax--interpolation

• .syntax--variable.parameter.function => .syntax--variable.syntax--parameter.syntax--function

• .syntax--string.regexp => .syntax--string.syntax--regexp

• .syntax--string.regexp .source.ruby.embedded => .syntax--string.syntax--regexp .syntax--source.syntax--ruby.syntax--embedded

• .syntax--string.other.link => .syntax--string.syntax--other.syntax--link

• .punctuation.definition.syntax--comment => .syntax--punctuation.syntax--definition.syntax--comment

• .punctuation.definition.syntax--string, .punctuation.definition.syntax--variable, .punctuation.definition.parameters, .punctuation.definition.array => .syntax--punctuation.syntax--definition.syntax--string, .syntax--punctuation.syntax--definition.syntax--variable, .syntax--punctuation.syntax--definition.syntax--parameters, .syntax--punctuation.syntax--definition.syntax--array

• .punctuation.definition.heading, .punctuation.definition.identity => .syntax--punctuation.syntax--definition.syntax--heading, .syntax--punctuation.syntax--definition.syntax--identity

• .punctuation.definition.bold => .syntax--punctuation.syntax--definition.syntax--bold

• .punctuation.definition.italic => .syntax--punctuation.syntax--definition.syntax--italic

• .punctuation.section.embedded => .syntax--punctuation.syntax--section.syntax--embedded

• .support.class => .syntax--support.syntax--class

• .support.function => .syntax--support.syntax--function

• .support.function.any-method => .syntax--support.syntax--function.syntax--any-method

• .entity.name.function => .syntax--entity.syntax--name.syntax--function

• .entity.name.type => .syntax--entity.syntax--name.syntax--type

• .entity.other.inherited-class => .syntax--entity.syntax--other.syntax--inherited-class

• .entity.name.class, .entity.name.type.class => .syntax--entity.syntax--name.syntax--class, .syntax--entity.syntax--name.syntax--type.syntax--class

• .entity.name.section => .syntax--entity.syntax--name.syntax--section

• .entity.name.tag => .syntax--entity.syntax--name.syntax--tag

• .entity.other.attribute-name => .syntax--entity.syntax--other.syntax--attribute-name

• .entity.other.attribute-name.id => .syntax--entity.syntax--other.syntax--attribute-name.syntax--id

• .meta.class => .syntax--meta.syntax--class

• .meta.link => .syntax--meta.syntax--link

• .meta.require => .syntax--meta.syntax--require

• .meta.selector => .syntax--meta.syntax--selector

• .meta.separator => .syntax--meta.syntax--separator

• .markup.bold => .syntax--markup.syntax--bold

• .markup.changed => .syntax--markup.syntax--changed

• .markup.deleted => .syntax--markup.syntax--deleted

• .markup.italic => .syntax--markup.syntax--italic

• .markup.heading .punctuation.definition.heading => .syntax--markup.syntax--heading .syntax--punctuation.syntax--definition.syntax--heading

• .markup.inserted => .syntax--markup.syntax--inserted

• .markup.list => .syntax--markup.syntax--list

• .markup.quote => .syntax--markup.syntax--quote

• .markup.raw.inline => .syntax--markup.syntax--raw.syntax--inline

• .syntax--source.syntax--gfm .syntax--markup.heading => .syntax--source.syntax--gfm .syntax--markup.syntax--heading

• atom-text-editor[mini] .scroll-view, :host([mini]) .scroll-view => atom-text-editor[mini] .scroll-view,atom-text-editor .scroll-view

Automatic translation of selectors will be removed in a few release cycles to minimize startup time. Please, make sure to upgrade the above selectors as soon as possible.