Here are stylelint-codeguide rules, grouped by the thing they apply to (just like in Stylelint).
color-hex-case: Specify lowercase or uppercase for hex colors (Autofixable).
function-comma-newline-after: Require a newline or disallow whitespace after the commas of functions (Autofixable).function-comma-newline-before: Require a newline or disallow whitespace before the commas of functions (Autofixable).function-comma-space-after: Require a single space or disallow whitespace after the commas of functions (Autofixable).function-comma-space-before: Require a single space or disallow whitespace before the commas of functions (Autofixable).function-max-empty-lines: Limit the number of adjacent empty lines within functions (Autofixable).function-parentheses-newline-inside: Require a newline or disallow whitespace on the inside of the parentheses of functions (Autofixable).function-parentheses-space-inside: Require a single space or disallow whitespace on the inside of the parentheses of functions (Autofixable).function-whitespace-after: Require or disallow whitespace after functions (Autofixable).
number-leading-zero: Require or disallow a leading zero for fractional numbers less than 1 (Autofixable).number-no-trailing-zeros: Disallow trailing zeros in numbers (Autofixable).
string-quotes: Specify single or double quotes around strings (Autofixable).
unit-case: Specify lowercase or uppercase for units (Autofixable).
value-list-comma-newline-after: Require a newline or disallow whitespace after the commas of value lists (Autofixable).value-list-comma-newline-before: Require a newline or disallow whitespace before the commas of value lists.value-list-comma-space-after: Require a single space or disallow whitespace after the commas of value lists (Autofixable).value-list-comma-space-before: Require a single space or disallow whitespace before the commas of value lists (Autofixable).value-list-max-empty-lines: Limit the number of adjacent empty lines within value lists (Autofixable).
property-case: Specify lowercase or uppercase for properties (Autofixable).
declaration-bang-space-after: Require a single space or disallow whitespace after the bang of declarations (Autofixable).declaration-bang-space-before: Require a single space or disallow whitespace before the bang of declarations (Autofixable).declaration-colon-newline-after: Require a newline or disallow whitespace after the colon of declarations (Autofixable).declaration-colon-space-after: Require a single space or disallow whitespace after the colon of declarations (Autofixable).declaration-colon-space-before: Require a single space or disallow whitespace before the colon of declarations (Autofixable).
declaration-block-semicolon-newline-after: Require a newline or disallow whitespace after the semicolons of declaration blocks (Autofixable).declaration-block-semicolon-newline-before: Require a newline or disallow whitespace before the semicolons of declaration blocks.declaration-block-semicolon-space-after: Require a single space or disallow whitespace after the semicolons of declaration blocks (Autofixable).declaration-block-semicolon-space-before: Require a single space or disallow whitespace before the semicolons of declaration blocks (Autofixable).declaration-block-trailing-semicolon: Require or disallow a trailing semicolon within declaration blocks (Autofixable).
block-closing-brace-empty-line-before: Require or disallow an empty line before the closing brace of blocks (Autofixable).block-closing-brace-newline-after: Require a newline or disallow whitespace after the closing brace of blocks (Autofixable).block-closing-brace-newline-before: Require a newline or disallow whitespace before the closing brace of blocks (Autofixable).block-closing-brace-space-after: Require a single space or disallow whitespace after the closing brace of blocks.block-closing-brace-space-before: Require a single space or disallow whitespace before the closing brace of blocks (Autofixable).block-opening-brace-newline-after: Require a newline after the opening brace of blocks (Autofixable).block-opening-brace-newline-before: Require a newline or disallow whitespace before the opening brace of blocks (Autofixable).block-opening-brace-space-after: Require a single space or disallow whitespace after the opening brace of blocks (Autofixable).block-opening-brace-space-before: Require a single space or disallow whitespace before the opening brace of blocks (Autofixable).
selector-attribute-brackets-space-inside: Require a single space or disallow whitespace on the inside of the brackets within attribute selectors (Autofixable).selector-attribute-operator-space-after: Require a single space or disallow whitespace after operators within attribute selectors (Autofixable).selector-attribute-operator-space-before: Require a single space or disallow whitespace before operators within attribute selectors (Autofixable).selector-combinator-space-after: Require a single space or disallow whitespace after the combinators of selectors (Autofixable).selector-combinator-space-before: Require a single space or disallow whitespace before the combinators of selectors (Autofixable).selector-descendant-combinator-no-non-space: Disallow non-space characters for descendant combinators of selectors (Autofixable).selector-max-empty-lines: Limit the number of adjacent empty lines within selectors (Autofixable).selector-pseudo-class-case: Specify lowercase or uppercase for pseudo-class selectors (Autofixable).selector-pseudo-class-parentheses-space-inside: Require a single space or disallow whitespace on the inside of the parentheses within pseudo-class selectors (Autofixable).selector-pseudo-element-case: Specify lowercase or uppercase for pseudo-element selectors (Autofixable).
selector-list-comma-newline-after: Require a newline or disallow whitespace after the commas of selector lists (Autofixable).selector-list-comma-newline-before: Require a newline or disallow whitespace before the commas of selector lists (Autofixable).selector-list-comma-space-after: Require a single space or disallow whitespace after the commas of selector lists (Autofixable).selector-list-comma-space-before: Require a single space or disallow whitespace before the commas of selector lists (Autofixable).
media-feature-colon-space-after: Require a single space or disallow whitespace after the colon in media features (Autofixable).media-feature-colon-space-before: Require a single space or disallow whitespace before the colon in media features (Autofixable).media-feature-name-case: Specify lowercase or uppercase for media feature names (Autofixable).media-feature-parentheses-space-inside: Require a single space or disallow whitespace on the inside of the parentheses within media features (Autofixable).media-feature-range-operator-space-after: Require a single space or disallow whitespace after the range operator in media features (Autofixable).media-feature-range-operator-space-before: Require a single space or disallow whitespace before the range operator in media features (Autofixable).
media-query-list-comma-newline-after: Require a newline or disallow whitespace after the commas of media query lists (Autofixable).media-query-list-comma-newline-before: Require a newline or disallow whitespace before the commas of media query lists.media-query-list-comma-space-after: Require a single space or disallow whitespace after the commas of media query lists (Autofixable).media-query-list-comma-space-before: Require a single space or disallow whitespace before the commas of media query lists (Autofixable).
at-rule-name-case: Specify lowercase or uppercase for at-rules names (Autofixable).at-rule-name-newline-after: Require a newline after at-rule names.at-rule-name-space-after: Require a single space after at-rule names (Autofixable).at-rule-semicolon-newline-after: Require a newline after the semicolon of at-rules (Autofixable).at-rule-semicolon-space-before: Require a single space or disallow whitespace before the semicolons of at-rules.
indentation: Specify indentation (Autofixable).linebreaks: Specify unix or windows linebreaks (Autofixable).max-empty-lines: Limit the number of adjacent empty lines (Autofixable).max-line-length: Limit the length of a line.no-empty-first-line: Disallow empty first lines (Autofixable).no-eol-whitespace: Disallow end-of-line whitespace (Autofixable).no-extra-semicolons: Disallow extra semicolons (Autofixable).no-missing-end-of-source-newline: Disallow missing end-of-source newlines (Autofixable).unicode-bom: Require or disallow Unicode BOM.