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validator-css.protoascii
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#
# Copyright 2020 The AMP HTML Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS-IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the license.
#
declaration_list {
name: "BASIC_DECLARATIONS"
declaration: { name: "align-content" }
declaration: { name: "align-items" }
declaration: { name: "align-self" }
declaration: { name: "all" }
declaration: { name: "animation" }
declaration: { name: "animation-delay" }
declaration: { name: "animation-direction" }
declaration: { name: "animation-duration" }
declaration: { name: "animation-fill-mode" }
declaration: { name: "animation-iteration-count" }
declaration: { name: "animation-name" }
declaration: { name: "animation-play-state" }
declaration: { name: "animation-timing-function" }
declaration: { name: "backface-visibility" }
declaration: { name: "background" }
declaration: { name: "background-attachment" }
declaration: { name: "background-blend-mode" }
declaration: { name: "background-clip" }
declaration: { name: "background-color" }
declaration: { name: "background-image" }
declaration: { name: "background-origin" }
declaration: { name: "background-position" }
declaration: { name: "background-repeat" }
declaration: { name: "background-size" }
declaration: { name: "border" }
declaration: { name: "border-bottom" }
declaration: { name: "border-bottom-color" }
declaration: { name: "border-bottom-left-radius" }
declaration: { name: "border-bottom-right-radius" }
declaration: { name: "border-bottom-style" }
declaration: { name: "border-bottom-width" }
declaration: { name: "border-collapse" }
declaration: { name: "border-color" }
declaration: { name: "border-image" }
declaration: { name: "border-image-outset" }
declaration: { name: "border-image-repeat" }
declaration: { name: "border-image-slice" }
declaration: { name: "border-image-source" }
declaration: { name: "border-image-width" }
declaration: { name: "border-left" }
declaration: { name: "border-left-color" }
declaration: { name: "border-left-style" }
declaration: { name: "border-left-width" }
declaration: { name: "border-radius" }
declaration: { name: "border-right" }
declaration: { name: "border-right-color" }
declaration: { name: "border-right-style" }
declaration: { name: "border-right-width" }
declaration: { name: "border-spacing" }
declaration: { name: "border-style" }
declaration: { name: "border-top" }
declaration: { name: "border-top-color" }
declaration: { name: "border-top-left-radius" }
declaration: { name: "border-top-right-radius" }
declaration: { name: "border-top-style" }
declaration: { name: "border-top-width" }
declaration: { name: "border-width" }
declaration: { name: "bottom" }
declaration: { name: "box-decoration-break" }
declaration: { name: "box-shadow" }
declaration: { name: "box-sizing" }
declaration: { name: "break-after" }
declaration: { name: "break-before" }
declaration: { name: "break-inside" }
declaration: { name: "caption-side" }
declaration: { name: "caret-color" }
declaration: { name: "clear" }
declaration: { name: "clip" }
declaration: { name: "color" }
declaration: { name: "column-count" }
declaration: { name: "column-fill" }
declaration: { name: "column-gap" }
declaration: { name: "column-rule" }
declaration: { name: "column-rule-color" }
declaration: { name: "column-rule-style" }
declaration: { name: "column-rule-width" }
declaration: { name: "column-span" }
declaration: { name: "column-width" }
declaration: { name: "columns" }
declaration: { name: "content" }
declaration: { name: "counter-increment" }
declaration: { name: "counter-reset" }
declaration: { name: "cursor" }
declaration: { name: "direction" }
declaration: { name: "display" }
declaration: { name: "empty-cells" }
declaration: { name: "filter" }
declaration: { name: "flex" }
declaration: { name: "flex-basis" }
declaration: { name: "flex-direction" }
declaration: { name: "flex-flow" }
declaration: { name: "flex-grow" }
declaration: { name: "flex-shrink" }
declaration: { name: "flex-wrap" }
declaration: { name: "float" }
declaration: { name: "font" }
declaration: { name: "font-family" }
declaration: { name: "font-feature-settings" }
declaration: { name: "font-kerning" }
declaration: { name: "font-language-override" }
declaration: { name: "font-size" }
declaration: { name: "font-size-adjust" }
declaration: { name: "font-stretch" }
declaration: { name: "font-style" }
declaration: { name: "font-synthesis" }
declaration: { name: "font-variant" }
declaration: { name: "font-variant-alternates" }
declaration: { name: "font-variant-caps" }
declaration: { name: "font-variant-east-asian" }
declaration: { name: "font-variant-ligatures" }
declaration: { name: "font-variant-numeric" }
declaration: { name: "font-variant-position" }
declaration: { name: "font-weight" }
declaration: { name: "grid" }
declaration: { name: "grid-area" }
declaration: { name: "grid-auto-columns" }
declaration: { name: "grid-auto-flow" }
declaration: { name: "grid-auto-rows" }
declaration: { name: "grid-column" }
declaration: { name: "grid-column-end" }
declaration: { name: "grid-column-gap" }
declaration: { name: "grid-column-start" }
declaration: { name: "grid-gap" }
declaration: { name: "grid-row" }
declaration: { name: "grid-row-end" }
declaration: { name: "grid-row-gap" }
declaration: { name: "grid-row-start" }
declaration: { name: "grid-template" }
declaration: { name: "grid-template-areas" }
declaration: { name: "grid-template-columns" }
declaration: { name: "grid-template-rows" }
declaration: { name: "hanging-punctuation" }
declaration: { name: "height" }
declaration: { name: "hyphens" }
declaration: { name: "image-rendering" }
declaration: { name: "isolation" }
declaration: { name: "justify-content" }
declaration: { name: "left" }
declaration: { name: "letter-spacing" }
declaration: { name: "line-break" }
declaration: { name: "line-height" }
declaration: { name: "list-style" }
declaration: { name: "list-style-image" }
declaration: { name: "list-style-position" }
declaration: { name: "list-style-type" }
declaration: { name: "margin" }
declaration: { name: "margin-bottom" }
declaration: { name: "margin-left" }
declaration: { name: "margin-right" }
declaration: { name: "margin-top" }
declaration: { name: "max-height" }
declaration: { name: "max-width" }
declaration: { name: "min-height" }
declaration: { name: "min-width" }
declaration: { name: "mix-blend-mode" }
declaration: { name: "object-fit" }
declaration: { name: "object-position" }
declaration: { name: "opacity" }
declaration: { name: "order" }
declaration: { name: "orphans" }
declaration: { name: "outline" }
declaration: { name: "outline-color" }
declaration: { name: "outline-offset" }
declaration: { name: "outline-style" }
declaration: { name: "outline-width" }
declaration: { name: "overflow" }
declaration: { name: "overflow-wrap" }
declaration: { name: "overflow-x" }
declaration: { name: "overflow-y" }
declaration: { name: "padding" }
declaration: { name: "padding-bottom" }
declaration: { name: "padding-left" }
declaration: { name: "padding-right" }
declaration: { name: "padding-top" }
declaration: { name: "page-break-after" }
declaration: { name: "page-break-before" }
declaration: { name: "page-break-inside" }
declaration: { name: "perspective" }
declaration: { name: "perspective-origin" }
declaration: { name: "pointer-events" }
# CSS property `position` with values `fixed` and `sticky are not allowed.
# From https://www.w3schools.com/cssref/pr_class_position.asp
declaration: {
name: "position"
value_casei: "absolute"
value_casei: "inherit"
value_casei: "initial"
value_casei: "relative"
value_casei: "static"
}
declaration: { name: "quotes" }
declaration: { name: "resize" }
declaration: { name: "right" }
declaration: { name: "tab-size" }
declaration: { name: "table-layout" }
declaration: { name: "text-align" }
declaration: { name: "text-align-last" }
declaration: { name: "text-combine-upright" }
declaration: { name: "text-decoration" }
declaration: { name: "text-decoration-color" }
declaration: { name: "text-decoration-line" }
declaration: { name: "text-decoration-skip-ink" }
declaration: { name: "text-decoration-style" }
declaration: { name: "text-fill-color" }
declaration: { name: "text-indent" }
declaration: { name: "text-justify" }
declaration: { name: "text-orientation" }
declaration: { name: "text-overflow" }
declaration: { name: "text-shadow" }
declaration: { name: "text-stroke" }
declaration: { name: "text-stroke-color" }
declaration: { name: "text-stroke-width" }
declaration: { name: "text-transform" }
declaration: { name: "text-underline-position" }
declaration: { name: "top" }
declaration: { name: "transform" }
declaration: { name: "transform-origin" }
declaration: { name: "transform-style" }
declaration: { name: "transition" }
declaration: { name: "transition-delay" }
declaration: { name: "transition-duration" }
declaration: { name: "transition-property" }
declaration: { name: "transition-timing-function" }
declaration: { name: "unicode-bidi" }
declaration: { name: "user-select" }
declaration: { name: "vertical-align" }
declaration: { name: "visibility" }
declaration: { name: "white-space" }
declaration: { name: "widows" }
declaration: { name: "width" }
declaration: { name: "word-break" }
declaration: { name: "word-spacing" }
declaration: { name: "word-wrap" }
declaration: { name: "writing-mode" }
declaration: {
name: "z-index"
value_regex_casei: "auto|initial|inherit|[-+]?[0-9]+"
}
}
declaration_list {
name: "SVG_BASIC_DECLARATIONS"
# SVG specific properties:
# https://www.w3.org/TR/SVG11/styling.html#SVGStylingProperties
declaration: { name: "alignment-baseline" }
declaration: { name: "baseline-shift" }
declaration: { name: "clip-path" }
declaration: { name: "clip-rule" }
declaration: { name: "color-interpolation" }
declaration: { name: "color-interpolation-filters" }
declaration: { name: "color-profile" } # SVG
declaration: { name: "color-rendering" } # SVG
declaration: { name: "dominant-baseline" }
declaration: { name: "enable-background" }
declaration: { name: "fill" }
declaration: { name: "fill-opacity" }
declaration: { name: "fill-rule" }
declaration: { name: "flood-color" }
declaration: { name: "flood-opacity" }
declaration: { name: "glyph-orientation-horizontal" }
declaration: { name: "glyph-orientation-vertical" }
declaration: { name: "kerning" }
declaration: { name: "lighting-color" }
declaration: { name: "marker" }
declaration: { name: "marker-end" }
declaration: { name: "marker-mid" }
declaration: { name: "marker-start" }
declaration: { name: "mask" }
declaration: { name: "shape-rendering" }
declaration: { name: "stop-color" }
declaration: { name: "stop-opacity" }
declaration: { name: "stroke" }
declaration: { name: "stroke-dasharray" }
declaration: { name: "stroke-dashoffset" }
declaration: { name: "stroke-linecap" }
declaration: { name: "stroke-linejoin" }
declaration: { name: "stroke-miterlimit" }
declaration: { name: "stroke-opacity" }
declaration: { name: "stroke-width" }
declaration: { name: "text-anchor" }
declaration: { name: "text-rendering" }
}
declaration_list {
name: "AMP_ONLY_DECLARATIONS"
declaration: { name: "clip-path" }
}
declaration_list {
name: "EMAIL_SPECIFIC_DECLARATIONS"
# AMP4EMAIL supported properties:
# https://amp.dev/documentation/guides-and-tutorials/learn/email-spec/amp-email-css/#supported-css-properties
declaration: { name: "-moz-appearance" }
declaration: { name: "-webkit-appearance" }
declaration: { name: "-webkit-tap-highlight-color" }
declaration: { name: "align-content" }
declaration: { name: "align-items" }
declaration: { name: "align-self" }
declaration: { name: "appearance" }
declaration: { name: "azimuth" }
declaration: { name: "background" }
declaration: { name: "background-attachment" }
declaration: { name: "background-blend-mode" }
declaration: { name: "background-clip" }
declaration: { name: "background-color" }
declaration: { name: "background-image" }
declaration: { name: "background-origin" }
declaration: { name: "background-position" }
declaration: { name: "background-repeat" }
declaration: { name: "background-size" }
declaration: { name: "border" }
declaration: { name: "border-bottom" }
declaration: { name: "border-bottom-color" }
declaration: { name: "border-bottom-left-radius" }
declaration: { name: "border-bottom-right-radius" }
declaration: { name: "border-bottom-style" }
declaration: { name: "border-bottom-width" }
declaration: { name: "border-collapse" }
declaration: { name: "border-color" }
declaration: { name: "border-left" }
declaration: { name: "border-left-color" }
declaration: { name: "border-left-style" }
declaration: { name: "border-left-width" }
declaration: { name: "border-radius" }
declaration: { name: "border-right" }
declaration: { name: "border-right-color" }
declaration: { name: "border-right-style" }
declaration: { name: "border-right-width" }
declaration: { name: "border-spacing" }
declaration: { name: "border-style" }
declaration: { name: "border-top" }
declaration: { name: "border-top-color" }
declaration: { name: "border-top-left-radius" }
declaration: { name: "border-top-right-radius" }
declaration: { name: "border-top-style" }
declaration: { name: "border-top-width" }
declaration: { name: "border-width" }
declaration: { name: "bottom" }
declaration: { name: "box-shadow" }
declaration: { name: "box-sizing" }
declaration: { name: "break-after" }
declaration: { name: "break-before" }
declaration: { name: "break-inside" }
declaration: { name: "caption-side" }
declaration: { name: "caret-color" }
declaration: { name: "clear" }
declaration: { name: "color" }
declaration: { name: "color-adjust" }
declaration: { name: "column-count" }
declaration: { name: "column-fill" }
declaration: { name: "column-gap" }
declaration: { name: "column-rule" }
declaration: { name: "column-rule-color" }
declaration: { name: "column-rule-style" }
declaration: { name: "column-rule-width" }
declaration: { name: "column-span" }
declaration: { name: "column-width" }
declaration: { name: "columns" }
declaration: { name: "counter-increment" }
declaration: { name: "counter-reset" }
declaration: {
name: "cursor"
value_casei: "initial"
value_casei: "pointer"
}
declaration: { name: "direction" }
declaration: { name: "display" }
declaration: { name: "elevation" }
declaration: { name: "empty-cells" }
declaration: {
name: "filter"
value_regex_casei: "^ *((blur|brightness|contrast|drop-shadow|grayscale|hue-rotate|invert|opacity|saturate|sepia)\\(([^() ]*|(rgb|rgba|hsl|hsla)\\([^()]*\\))( +([^() ]*|(rgb|rgba|hsl|hsla)\\([^()]*\\)))*\\) *)*$"
}
declaration: { name: "flex" }
declaration: { name: "flex-basis" }
declaration: { name: "flex-direction" }
declaration: { name: "flex-flow" }
declaration: { name: "flex-grow" }
declaration: { name: "flex-shrink" }
declaration: { name: "flex-wrap" }
declaration: { name: "float" }
declaration: { name: "font" }
declaration: { name: "font-family" }
declaration: { name: "font-feature-settings" }
declaration: { name: "font-kerning" }
declaration: { name: "font-size" }
declaration: { name: "font-size-adjust" }
declaration: { name: "font-stretch" }
declaration: { name: "font-style" }
declaration: { name: "font-synthesis" }
declaration: { name: "font-variant" }
declaration: { name: "font-variant-alternates" }
declaration: { name: "font-variant-caps" }
declaration: { name: "font-variant-east-asian" }
declaration: { name: "font-variant-ligatures" }
declaration: { name: "font-variant-numeric" }
declaration: { name: "font-variation-settings" }
declaration: { name: "font-weight" }
declaration: { name: "gap" }
declaration: { name: "grid" }
declaration: { name: "grid-area" }
declaration: { name: "grid-auto-columns" }
declaration: { name: "grid-auto-flow" }
declaration: { name: "grid-auto-rows" }
declaration: { name: "grid-column" }
declaration: { name: "grid-column-end" }
declaration: { name: "grid-column-start" }
declaration: { name: "grid-row" }
declaration: { name: "grid-row-end" }
declaration: { name: "grid-row-start" }
declaration: { name: "grid-template" }
declaration: { name: "grid-template-areas" }
declaration: { name: "grid-template-columns" }
declaration: { name: "grid-template-rows" }
declaration: { name: "height" }
declaration: { name: "hyphens" }
declaration: { name: "image-orientation" }
declaration: { name: "image-resolution" }
declaration: { name: "inline-size" }
declaration: { name: "isolation" }
declaration: { name: "justify-content" }
declaration: { name: "justify-items" }
declaration: { name: "justify-self" }
declaration: { name: "left" }
declaration: { name: "letter-spacing" }
declaration: { name: "line-break" }
declaration: { name: "line-height" }
declaration: { name: "list-style" }
declaration: { name: "list-style-position" }
declaration: { name: "list-style-type" }
declaration: { name: "margin" }
declaration: { name: "margin-bottom" }
declaration: { name: "margin-left" }
declaration: { name: "margin-right" }
declaration: { name: "margin-top" }
declaration: { name: "max-height" }
declaration: { name: "max-width" }
declaration: { name: "min-height" }
declaration: { name: "min-width" }
declaration: { name: "mix-blend-mode" }
declaration: { name: "object-fit" }
declaration: { name: "object-position" }
declaration: { name: "offset-distance" }
declaration: { name: "opacity" }
declaration: { name: "order" }
declaration: { name: "outline" }
declaration: { name: "outline-color" }
declaration: { name: "outline-offset" }
declaration: { name: "outline-style" }
declaration: { name: "outline-width" }
declaration: { name: "overflow" }
declaration: { name: "overflow-wrap" }
declaration: { name: "overflow-x" }
declaration: { name: "overflow-y" }
declaration: { name: "padding" }
declaration: { name: "padding-bottom" }
declaration: { name: "padding-left" }
declaration: { name: "padding-right" }
declaration: { name: "padding-top" }
declaration: { name: "pause" }
declaration: { name: "pause-after" }
declaration: { name: "pause-before" }
declaration: { name: "perspective" }
declaration: { name: "perspective-origin" }
declaration: { name: "pitch" }
declaration: { name: "pitch-range" }
declaration: { name: "place-items" }
# CSS property `position` with values `fixed` and `sticky` are not allowed.
# From https://www.w3schools.com/cssref/pr_class_position.asp
declaration: {
name: "position"
value_casei: "absolute"
value_casei: "inherit"
value_casei: "initial"
value_casei: "relative"
value_casei: "static"
}
declaration: { name: "quotes" }
declaration: { name: "resize" }
declaration: { name: "richness" }
declaration: { name: "right" }
declaration: { name: "row-gap" }
declaration: { name: "speak" }
declaration: { name: "speak-header" }
declaration: { name: "speak-numeral" }
declaration: { name: "speak-punctuation" }
declaration: { name: "speech-rate" }
declaration: { name: "stress" }
declaration: { name: "table-layout" }
declaration: { name: "text-align" }
declaration: { name: "text-align-last" }
declaration: { name: "text-combine-upright" }
declaration: { name: "text-decoration" }
declaration: { name: "text-decoration-color" }
declaration: { name: "text-decoration-line" }
declaration: { name: "text-decoration-skip" }
declaration: { name: "text-decoration-style" }
declaration: { name: "text-emphasis" }
declaration: { name: "text-emphasis-color" }
declaration: { name: "text-emphasis-position" }
declaration: { name: "text-emphasis-style" }
declaration: { name: "text-indent" }
declaration: { name: "text-justify" }
declaration: { name: "text-orientation" }
declaration: { name: "text-overflow" }
declaration: { name: "text-shadow" }
declaration: { name: "text-transform" }
declaration: { name: "text-underline-position" }
declaration: { name: "top" }
declaration: { name: "transform" }
declaration: { name: "transform-box" }
declaration: { name: "transform-origin" }
declaration: { name: "transform-style" }
declaration: {
name: "transition"
value_regex_casei: "^ *((initial|unset)|(((none|offset-distance|opacity|transform|visibility)( *(|-|\\+)([0-9]+|[0-9]*\\.[0-9]+)(e(|-|\\+)?[0-9]+)?(s|ms)( *(linear|(ease|ease-in|ease-out|ease-in-out|cubic-bezier\\( *(|-|\\+)([0-9]+|[0-9]*\\.[0-9]+)(e(|-|\\+)?[0-9]+)?(, *(|-|\\+)([0-9]+|[0-9]*\\.[0-9]+)(e(|-|\\+)?[0-9]+)?){3} *\\))|(step-start|step-end|steps\\( *(|-|\\+)[0-9]+(, *(jump-start|jump-end|jump-none|jump-both|start|end))? *\\)))( *(|-|\\+)([0-9]+|[0-9]*\\.[0-9]+)(e(|-|\\+)?[0-9]+)?(s|ms))?)?)?)(, *((none|offset-distance|opacity|transform|visibility)( *(|-|\\+)([0-9]+|[0-9]*\\.[0-9]+)(e(|-|\\+)?[0-9]+)?(s|ms)( *(linear|(ease|ease-in|ease-out|ease-in-out|cubic-bezier\\( *(|-|\\+)([0-9]+|[0-9]*\\.[0-9]+)(e(|-|\\+)?[0-9]+)?(, *(|-|\\+)([0-9]+|[0-9]*\\.[0-9]+)(e(|-|\\+)?[0-9]+)?){3} *\\))|(step-start|step-end|steps\\( *(|-|\\+)[0-9]+(, *(jump-start|jump-end|jump-none|jump-both|start|end))? *\\)))( *(|-|\\+)([0-9]+|[0-9]*\\.[0-9]+)(e(|-|\\+)?[0-9]+)?(s|ms))?)?)?))*)) *$"
}
declaration: { name: "transition-delay" }
declaration: { name: "transition-duration" }
declaration: {
name: "transition-property"
value_regex_casei: "^ *(initial|unset|(none|offset-distance|opacity|transform|visibility)(, *(none|offset-distance|opacity|transform|visibility))*) *$"
}
declaration: { name: "transition-timing-function" }
declaration: { name: "unicode-bidi" }
declaration: { name: "vertical-align" }
declaration: {
name: "visibility"
value_casei: "hidden"
value_casei: "initial"
value_casei: "visible"
}
declaration: { name: "voice-family" }
declaration: { name: "white-space" }
declaration: { name: "width" }
declaration: { name: "word-break" }
declaration: { name: "word-spacing" }
declaration: { name: "word-wrap" }
declaration: { name: "writing-mode" }
declaration: {
name: "z-index"
value_regex_casei: "([-+]?0)|([-+]?100)|([-+]?[1-9][0-9]?)"
}
}
# DocCSS rules for AMP for non-transformed documents.
css {
html_format: AMP
disabled_by: "transformed"
spec_url:
"https://amp.dev/documentation/guides-and-tutorials/learn/spec/amphtml/#stylesheets"
max_bytes: 75000
max_bytes_per_inline_style: 1000
max_bytes_spec_url:
"https://amp.dev/documentation/guides-and-tutorials/learn/spec/amphtml/#maximum-size"
url_bytes_included: true
# This is a legacy requirement. Style tags support all declarations while
# style attributes limit the allowed declarations. Support for style
# attributes was added at a later date than style tags, and more validation
# requirements were able to be enforced at that time.
allow_all_declaration_in_style_tag: true
allow_important: false
image_url_spec: {
protocol: "https"
protocol: "http"
protocol: "data"
allow_empty: true
}
font_url_spec: {
protocol: "https"
protocol: "http"
protocol: "data"
allow_empty: true
}
expand_vendor_prefixes: true
declaration_list: "BASIC_DECLARATIONS"
declaration_list_svg: "SVG_BASIC_DECLARATIONS"
declaration_list: "AMP_ONLY_DECLARATIONS"
}
# DocCss Rules for AMP transformed documents.
# Identical to the non-transformed specification except that
# `url_bytes_included` is false.
css {
html_format: AMP
enabled_by: "transformed"
spec_url: "https://amp.dev/documentation/guides-and-tutorials/learn/spec/amphtml/#stylesheets"
max_bytes: 75000
max_bytes_per_inline_style: 1000
max_bytes_spec_url:
"https://amp.dev/documentation/guides-and-tutorials/learn/spec/amphtml/#maximum-size"
url_bytes_included: false
allow_all_declaration_in_style_tag: true
allow_important: false
image_url_spec: {
protocol: "https"
protocol: "http"
protocol: "data"
allow_empty: true
}
font_url_spec: {
protocol: "https"
protocol: "http"
protocol: "data"
allow_empty: true
}
expand_vendor_prefixes: true
declaration_list: "BASIC_DECLARATIONS"
declaration_list_svg: "SVG_BASIC_DECLARATIONS"
declaration_list: "AMP_ONLY_DECLARATIONS"
}
# DocCss rules for AMP4ADS.
css {
html_format: AMP4ADS
spec_url: "https://amp.dev/documentation/guides-and-tutorials/learn/a4a_spec/#css"
# AMP4ADS currently allows unlimited inline style, and only limits style in
# the <style amp-custom> tag in the document head.
# max_bytes: 20000
# max_bytes_per_inline_style: 1000
max_bytes_spec_url: "https://amp.dev/documentation/guides-and-tutorials/learn/a4a_spec/#css"
allow_all_declaration_in_style_tag: true
allow_important: false
image_url_spec: {
protocol: "https"
protocol: "http"
protocol: "data"
allow_empty: true
}
font_url_spec: {
protocol: "https"
protocol: "http"
protocol: "data"
allow_empty: true
}
expand_vendor_prefixes: true
declaration_list: "BASIC_DECLARATIONS"
declaration_list_svg: "SVG_BASIC_DECLARATIONS"
}
# DocCss rules for AMP4EMAIL, not data-css-strict
css {
html_format: AMP4EMAIL
disabled_by: "data-css-strict"
spec_url: "https://amp.dev/documentation/guides-and-tutorials/learn/email-spec/amp-email-css"
# Due to a bug, we allowed unlimited doc-level bytes for CSS in AMP4EMAIL
# formats. To avoid breaking emails, this is temporarily set to a warning but
# we intend to change to an error at a later time.
max_bytes_is_warning: true
max_bytes: 75000
max_bytes_per_inline_style: 1000
max_bytes_spec_url:
"https://amp.dev/documentation/guides-and-tutorials/learn/spec/amphtml/#maximum-size"
url_bytes_included: true
# This is a legacy requirement. Style tags support all declarations while
# style attributes limit the allowed declarations. Support for style
# attributes was added at a later date than style tags, and more validation
# requirements were able to be enforced at that time.
allow_all_declaration_in_style_tag: true
allow_important: false
image_url_spec: {
protocol: "https"
}
expand_vendor_prefixes: true
declaration_list: "BASIC_DECLARATIONS"
declaration_list_svg: "SVG_BASIC_DECLARATIONS"
}
# DocCss rules for AMP4EMAIL, data-css-strict
css {
html_format: AMP4EMAIL
enabled_by: "data-css-strict"
spec_url: "https://amp.dev/documentation/guides-and-tutorials/learn/email-spec/amp-email-css"
max_bytes_is_warning: false
max_bytes: 75000
max_bytes_per_inline_style: 1000
# TODO(b/162314127): add maximum size documentation to the email spec
max_bytes_spec_url:
"https://amp.dev/documentation/guides-and-tutorials/learn/spec/amphtml/#maximum-size"
url_bytes_included: true
allow_all_declaration_in_style_tag: false
allow_important: false
image_url_spec: {
protocol: "https"
}
expand_vendor_prefixes: false
declaration_list: "EMAIL_SPECIFIC_DECLARATIONS"
}
# This variant of <style amp-custom> is designed to help developers see how
# close they are to the byte limit, even if the page is passing. By changing
# the attribute to <style amp-custom-length-check>, this tagspec will be used
# to match errors. It cannot pass however, as it has a cdata.max_bytes set to
# -1. As a result, it will always fail and report the length found in the
# tag's cdata. Deleting this tagspec will never break any valid AMP documents
# as if it matches, the page will be invalid.
tags: { # <style amp-custom-length-check>, ALL FORMATS
html_format: AMP
html_format: AMP4ADS
html_format: AMP4EMAIL
tag_name: "STYLE"
spec_name: "style amp-custom-length-check"
descriptive_name: "style amp-custom-length-check"
unique: true
mandatory_parent: "HEAD"
attrs: {
name: "amp-custom-length-check"
mandatory: true
value: ""
dispatch_key: NAME_DISPATCH
}
attr_lists: "nonce-attr"
attrs: { # Allow the default.
name: "type"
value_casei: "text/css"
}
cdata: {
# This will always cause the tagspec matching to fail.
max_bytes: -1
}
}
tags: { # <style amp-custom>, [AMP]
html_format: AMP
tag_name: "STYLE"
spec_name: "style amp-custom"
descriptive_name: "style amp-custom"
named_id: STYLE_AMP_CUSTOM
unique: true
mandatory_parent: "HEAD"
attr_lists: "nonce-attr"
attrs: {
name: "amp-custom"
mandatory: true
value: ""
# This is a fine dispatch key, but we would prefer that this tagspec
# is used for errors related to <style> tags missing the amp-custom
# attribute rather than the boilerplate tagspec which doesn't have an
# attribute and thus can't have a dispatch_key.
# dispatch_key: NAME_DISPATCH
}
attrs: { # Allow the default.
name: "type"
value_casei: "text/css"
}
cdata: {
doc_css_bytes: true
max_bytes: 75000
max_bytes_spec_url:
"https://amp.dev/documentation/guides-and-tutorials/learn/spec/amphtml/#maximum-size"
css_spec: {
at_rule_spec: { name: 'font-face' }
at_rule_spec: { name: 'keyframes' }
at_rule_spec: { name: 'media' }
at_rule_spec: { name: 'page' }
at_rule_spec: { name: 'supports' }
}
disallowed_cdata_regex: {
regex: "<!--"
error_message: "html comments"
}
# These regex denylists are temporary hacks to validate essential CSS
# rules. They will be replaced later with more principled solutions.
disallowed_cdata_regex: {
regex: "(^|\\W)i-amphtml-"
error_message: "CSS i-amphtml- name prefix"
}
}
spec_url: "https://amp.dev/documentation/guides-and-tutorials/learn/spec/amphtml/#stylesheets"
}
tags: { # <style amp-custom>, AMP4ADS
html_format: AMP4ADS
tag_name: "STYLE"
spec_name: "style amp-custom (AMP4ADS)"
descriptive_name: "style amp-custom"
unique: true
mandatory_parent: "HEAD"
attr_lists: "nonce-attr"
attrs: {
name: "amp-custom"
mandatory: true
value: ""
# This is a fine dispatch key, but we would prefer that this tagspec
# is used for errors related to <style> tags missing the amp-custom
# attribute rather than the boilerplate tagspec which doesn't have an
# attribute and thus can't have a dispatch_key.
# dispatch_key: NAME_DISPATCH
}
attrs: { # Allow the default.
name: "type"
value_casei: "text/css"
}
cdata: {
doc_css_bytes: true
max_bytes: 20000 # Smaller than AMP, which is 75,000.
max_bytes_spec_url:
"https://amp.dev/documentation/guides-and-tutorials/learn/spec/amphtml/#maximum-size"
css_spec: {
at_rule_spec: { name: 'font-face' }
at_rule_spec: { name: 'keyframes' }
at_rule_spec: {
name: 'media'
media_query_spec: {
issues_as_error: false
type: 'all'
type: 'print'
type: 'screen'
type: 'speech'
feature: 'width'
feature: 'height'
feature: 'aspect-ratio'
feature: 'orientation'
feature: 'resolution'
}
}
at_rule_spec: { name: 'supports' }
validate_amp4ads: true
}
disallowed_cdata_regex: {
regex: "<!--"
error_message: "html comments"
}
# These regex denylists are temporary hacks to validate essential CSS
# rules. They will be replaced later with more principled solutions.
disallowed_cdata_regex: {
regex: "(^|\\W)i-amphtml-"
error_message: "CSS i-amphtml- name prefix"
}
}
spec_url: "https://amp.dev/documentation/guides-and-tutorials/learn/a4a_spec/#css"
}
tags: { # <style amp-custom>, AMP4EMAIL, not data-css-strict
html_format: AMP4EMAIL
disabled_by: "data-css-strict"
tag_name: "STYLE"
spec_name: "style amp-custom (AMP4EMAIL)"
descriptive_name: "style amp-custom"
unique: true
mandatory_parent: "HEAD"
attrs: {
name: "amp-custom"
mandatory: true
value: ""
# This is a fine dispatch key, but we would prefer that this tagspec
# is used for errors related to <style> tags missing the amp-custom
# attribute rather than the boilerplate tagspec which doesn't have an
# attribute and thus can't have a dispatch_key.
# dispatch_key: NAME_DISPATCH
}
attrs: { # Allow the default.
name: "type"
value_casei: "text/css"
}
cdata: {
doc_css_bytes: true
max_bytes: 75000
max_bytes_spec_url:
"https://amp.dev/documentation/guides-and-tutorials/learn/spec/amphtml/#maximum-size"
css_spec: {
at_rule_spec: {
name: 'media'
media_query_spec: {
issues_as_error: true
type: 'all'
type: 'screen'
feature: 'device-width'
feature: 'hover'
feature: 'max-device-width'
feature: 'max-resolution'
feature: 'max-width'
feature: 'min-device-width'
feature: 'min-resolution'
feature: 'min-width'
feature: 'orientation'
feature: 'pointer'
feature: 'resolution'
feature: 'width'
}
}
at_rule_spec: { name: 'page' }
}
disallowed_cdata_regex: {
regex: "<!--"
error_message: "html comments"
}
# These regex denylists are temporary hacks to validate essential CSS
# rules. They will be replaced later with more principled solutions.
disallowed_cdata_regex: {
regex: "(^|\\W)i-amphtml-"
error_message: "CSS i-amphtml- name prefix"
}
}
spec_url: "https://amp.dev/documentation/guides-and-tutorials/learn/email-spec/amp-email-css"
}
tags: { # <style amp-custom>, AMP4EMAIL, data-css-strict
html_format: AMP4EMAIL
enabled_by: "data-css-strict"
tag_name: "STYLE"
spec_name: "style amp-custom (css-strict)"
descriptive_name: "style amp-custom"
unique: true
mandatory_parent: "HEAD"
attrs: {
name: "amp-custom"
mandatory: true
value: ""
# This is a fine dispatch key, but we would prefer that this tagspec
# is used for errors related to <style> tags missing the amp-custom
# attribute rather than the boilerplate tagspec which doesn't have an
# attribute and thus can't have a dispatch_key.
# dispatch_key: NAME_DISPATCH
}
attrs: { # Allow the default.
name: "type"
value_casei: "text/css"
}
cdata: {
doc_css_bytes: true
max_bytes: 75000
max_bytes_spec_url:
"https://amp.dev/documentation/guides-and-tutorials/learn/spec/amphtml/#maximum-size"
css_spec: {
at_rule_spec: {
name: 'media'
media_query_spec: {
issues_as_error: true
type: 'all'
type: 'screen'
feature: 'device-width'
feature: 'hover'
feature: 'max-device-width'
feature: 'max-resolution'
feature: 'max-width'
feature: 'min-device-width'
feature: 'min-resolution'
feature: 'min-width'
feature: 'orientation'
feature: 'pointer'
feature: 'resolution'
feature: 'width'
}
}
selector_spec: {
attribute_name: "active"
attribute_name: "alt"
attribute_name: "autocomplete"
attribute_name: "autoexpand"
attribute_name: "checked"
attribute_name: "class"
attribute_name: "controls"
attribute_name: "dir"
attribute_name: "disabled"
attribute_name: "expanded"
attribute_name: "fallback"
attribute_name: "fetch-error"
attribute_name: "height"
attribute_name: "hidden"
attribute_name: "id"
attribute_name: "items"
attribute_name: "layout"
attribute_name: "name"
attribute_name: "noloading"
attribute_name: "novalidate"
attribute_name: "open"