all_tags = [ "a", "abbr", "acronym", "address", "applet", "area", "article", "aside", "audio", "b", "base", "basefont", "bdi", "bdo", "bgsound", "big", "blink", "blockquote", "body", "br", "button", "canvas", "caption", "center", "cite", "code", "col", "colgroup", "command", "content", "data", "datalist", "dd", "del", "detals", "dfn", "dialog", "dir", "div", "dl", "dt", "element", "em", "embed", "fieldset", "figcaption", "figure", "font", "footer", "form", "frame", "frameset", "h1", "h2", "h3", "h4", "h5", "h6", "head", "header", "hgroup", "hr", "html", "i", "iframe", "image", "img", "input", "ins", "isindex", "kbd", "keygen", "label", "legend", "li", "link", "listing", "main", "map", "mark", "marquee", "menu", "menuitem", "meta", "meter", "multicol", "nav", "nobr", "noembed", "noframes", "noscript", "object", "ol", "optgroup", "option", "output", "p", "param", "picture", "plaintext", "pre", "progress", "q", "rp", "rt", "ruby", "s", "samp", "script", "section", "select", "shadow", "small", "source", "spacer", "span", "strike", "strong", "style", "sub", "summary", "sup", "table", "tbody", "td", "template", "textarea", "tfoot", "th", "thead", "time", "title", "tr", "track", "tt", "u", "ul", "var", "video", "wbr", "xmp", ] # List tags that, if included in a page, could break markup or open XSS. generally_xss_unsafe = [ "applet", "audio", "bgsound", "body", "canvas", "embed", "frame", "frameset", "head", "html", "iframe", "link", "meta", "object", "param", "source", "script", "ruby", "rt", "title", "track", "video", "xmp" ] # Tags that, if included on the page, will probably not break markup or open # XSS. Note that these must be combined with attribute whitelisting, or things # like <img> and <style> could still be unsafe. generally_xss_safe = list(set(all_tags) - set(generally_xss_unsafe)) generally_xss_safe.sort() # Tags suitable for rendering markdown markdown_tags = [ "h1", "h2", "h3", "h4", "h5", "h6", "b", "i", "strong", "em", "tt", "p", "br", "span", "div", "blockquote", "code", "hr", "pre", "del", "ul", "ol", "li", "dl", "dd", "dt", "table", "thead", "tbody", "tfoot", "tr", "th", "td", "img", "a", "input", "details", "summary", "div" ] markdown_attrs = { "*": ["class", "style", "align"], "img": ["src", "alt", "title", "width", "height", "hspace", "align"], "a": ["href", "alt", "title", "name", "data-hovercard-alt", "data-hovercard-url"], "abbr": ["title"], "acronym": ["title"], "pre": ["lang"], "input": ["type", "disabled", "checked"], "strong": ["title", "data-hovercard-alt", "data-hovercard-url"], } standard_styles = [ # Taken from https://developer.mozilla.org/en-US/docs/Web/CSS/Reference # This includes pseudo-classes, pseudo-elements, @-rules, units, and # selectors in addition to properties, but it doesn't matter for our # purposes -- we don't need to filter styles.. ":active", "::after (:after)", "align-content", "align-items", "align-self", "all", "<angle>", "animation", "animation-delay", "animation-direction", "animation-duration", "animation-fill-mode", "animation-iteration-count", "animation-name", "animation-play-state", "animation-timing-function", "@annotation", "annotation()", "attr()", "::backdrop", "backface-visibility", "background", "background-attachment", "background-blend-mode", "background-clip", "background-color", "background-image", "background-origin", "background-position", "background-repeat", "background-size", "<basic-shape>", "::before (:before)", "<blend-mode>", "blur()", "border", "border-bottom", "border-bottom-color", "border-bottom-left-radius", "border-bottom-right-radius", "border-bottom-style", "border-bottom-width", "border-collapse", "border-color", "border-image", "border-image-outset", "border-image-repeat", "border-image-slice", "border-image-source", "border-image-width", "border-left", "border-left-color", "border-left-style", "border-left-width", "border-radius", "border-right", "border-right-color", "border-right-style", "border-right-width", "border-spacing", "border-style", "border-top", "border-top-color", "border-top-left-radius", "border-top-right-radius", "border-top-style", "border-top-width", "border-width", "bottom", "box-decoration-break", "box-shadow", "box-sizing", "break-after", "break-before", "break-inside", "brightness()", "calc()", "caption-side", "ch", "@character-variant", "character-variant()", "@charset", ":checked", "circle()", "clear", "clip", "clip-path", "cm", "color", "<color>", "columns", "column-count", "column-fill", "column-gap", "column-rule", "column-rule-color", "column-rule-style", "column-rule-width", "column-span", "column-width", "content", "contrast()", "<counter>", "counter-increment", "counter-reset", "@counter-style", "cubic-bezier()", "cursor", "<custom-ident>", ":default", "deg", ":dir()", "direction", ":disabled", "display", "@document", "dpcm", "dpi", "dppx", "drop-shadow()", "element()", "ellipse()", "em", ":empty", "empty-cells", ":enabled", "ex", "filter", ":first", ":first-child", "::first-letter", "::first-line", ":first-of-type", "flex", "flex-basis", "flex-direction", "flex-flow", "flex-grow", "flex-shrink", "flex-wrap", "float", ":focus", "font", "@font-face", "font-family", "font-feature-settings", "@font-feature-values", "font-kerning", "font-language-override", "font-size", "font-size-adjust", "font-stretch", "font-style", "font-synthesis", "font-variant", "font-variant-alternates", "font-variant-caps", "font-variant-east-asian", "font-variant-ligatures", "font-variant-numeric", "font-variant-position", "font-weight", "<frequency>", ":fullscreen", "grad", "<gradient>", "grayscale()", "grid", "grid-area", "grid-auto-columns", "grid-auto-flow", "grid-auto-position", "grid-auto-rows", "grid-column", "grid-column-start", "grid-column-end", "grid-row", "grid-row-start", "grid-row-end", "grid-template", "grid-template-areas", "grid-template-rows", "grid-template-columns", "height", ":hover", "hsl()", "hsla()", "hue-rotate()", "hyphens", "hz", "<image>", "image()", "image-rendering", "image-resolution", "image-orientation", "ime-mode", "@import", "in", ":indeterminate", "inherit", "initial", ":in-range", "inset()", "<integer>", ":invalid", "invert()", "isolation", "justify-content", "@keyframes", "khz", ":lang()", ":last-child", ":last-of-type", "left", ":left", "<length>", "letter-spacing", "linear-gradient()", "line-break", "line-height", ":link", "list-style", "list-style-image", "list-style-position", "list-style-type", "margin", "margin-bottom", "margin-left", "margin-right", "margin-top", "marks", "mask", "mask-type", "matrix()", "matrix3d()", "max-height", "max-width", "@media", "min-height", "minmax()", "min-width", "mix-blend-mode", "mm", "ms", "@namespace", ":not()", ":nth-child()", ":nth-last-child()", ":nth-last-of-type()", ":nth-of-type()", "<number>", "object-fit", "object-position", ":only-child", ":only-of-type", "opacity", "opacity()", ":optional", "order", "@ornaments", "ornaments()", "orphans", "outline", "outline-color", "outline-offset", "outline-style", "outline-width", ":out-of-range", "overflow", "overflow-wrap", "overflow-x", "overflow-y", "padding", "padding-bottom", "padding-left", "padding-right", "padding-top", "@page", "page-break-after", "page-break-before", "page-break-inside", "pc", "<percentage>", "perspective", "perspective()", "perspective-origin", "pointer-events", "polygon()", "position", "<position>", "pt", "px", "quotes", "rad", "radial-gradient()", "<ratio>", ":read-only", ":read-write", "rect()", "rem", "repeat()", "::repeat-index", "::repeat-item", "repeating-linear-gradient()", "repeating-radial-gradient()", ":required", "resize", "<resolution>", "rgb()", "rgba()", "right", ":right", ":root", "rotate()", "rotatex()", "rotatey()", "rotatez()", "rotate3d()", "ruby-align", "ruby-merge", "ruby-position", "s", "saturate()", "scale()", "scalex()", "scaley()", "scalez()", "scale3d()", ":scope", "scroll-behavior", "::selection", "sepia()", "<shape>", "shape-image-threshold", "shape-margin", "shape-outside", "skew()", "skewx()", "skewy()", "steps()", "<string>", "@styleset", "styleset()", "@stylistic", "stylistic()", "@supports", "@swash", "swash()", "symbol()", "table-layout", "tab-size", ":target", "text-align", "text-align-last", "text-combine-upright", "text-decoration", "text-decoration-color", "text-decoration-line", "text-decoration-style", "text-indent", "text-orientation", "text-overflow", "text-rendering", "text-shadow", "text-transform", "text-underline-position", "<time>", "<timing-function>", "top", "touch-action", "transform", "transform-origin", "transform-style", "transition", "transition-delay", "transition-duration", "transition-property", "transition-timing-function", "translate()", "translatex()", "translatey()", "translatez()", "translate3d()", "turn", "unicode-bidi", "unicode-range", "unset", "<uri>", "url()", "<user-ident>", ":valid", "::value", "var()", "vertical-align", "vh", "@viewport", "visibility", ":visited", "vmax", "vmin", "vw", "white-space", "widows", "width", "will-change", "word-break", "word-spacing", "word-wrap", "writing-mode", "z-index", ] webkit_prefixed_styles = [ # Webkit-prefixed styles # https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Webkit_Extensions "-webkit-animation", "-webkit-animation-delay", "-webkit-animation-direction", "-webkit-animation-duration", "-webkit-animation-fill-mode", "-webkit-animation-iteration-count", "-webkit-animation-name", "-webkit-animation-play-state", "-webkit-animation-timing-function", "-webkit-backface-visibility", "-webkit-border-image", "-webkit-column-count", "-webkit-column-gap", "-webkit-column-width", "-webkit-column-rule", "-webkit-column-rule-width", "-webkit-column-rule-style", "-webkit-column-rule-color", "-webkit-columns", "-webkit-column-span", "-webkit-font-feature-settings", "-webkit-font-kerning", "-webkit-font-size-delta", "-webkit-font-variant-ligatures", "-webkit-grid-column", "-webkit-grid-row", "-webkit-hyphens", "-webkit-mask", "-webkit-mask-clip", "-webkit-mask-composite", "-webkit-mask-image", "-webkit-mask-origin", "-webkit-mask-position", "-webkit-mask-repeat", "-webkit-mask-size", "-webkit-perspective", "-webkit-perspective-origin", "-webkit-region-fragment", "-webkit-shape-outside", "-webkit-text-emphasis", "-webkit-text-emphasis-color", "-webkit-text-emphasis-position", "-webkit-text-emphasis-style", "-webkit-transform", "-webkit-transform-origin", "-webkit-transform-style", "-webkit-transition", "-webkit-transition-delay", "-webkit-transition-duration", "-webkit-transition-property", "-webkit-transition-timing-function", "-epub-word-break", "-epub-writing-mode", # WebKit-prefixed properties with an unprefixed counterpart "-webkit-background-clip", "-webkit-background-origin", "-webkit-background-size", "-webkit-border-bottom-left-radius", "-webkit-border-bottom-right-radius", "-webkit-border-radius", "-webkit-border-top-left-radius", "-webkit-border-top-right-radius", "-webkit-box-sizing", "-epub-caption-side", "-webkit-opacity", "-epub-text-transform", ] mozilla_prefixed_styles = [ "-moz-column-count", "-moz-column-fill", "-moz-column-gap", "-moz-column-width", "-moz-column-rule", "-moz-column-rule-width", "-moz-column-rule-style", "-moz-column-rule-color", "-moz-font-feature-settings", "-moz-font-language-override", "-moz-hyphens", "-moz-text-align-last", "-moz-text-decoration-color", "-moz-text-decoration-line", "-moz-text-decoration-style", ] all_prefixed_styles = [ # From http://peter.sh/experiments/vendor-prefixed-css-property-overview/ "-ms-accelerator", "-webkit-app-region", "-webkit-appearance", "-webkit-appearance", "-moz-appearance", "-webkit-aspect-ratio", "-webkit-backdrop-filter", "backface-visibility", "-webkit-backface-visibility", "backface-visibility", "backface-visibility", "-webkit-background-composite", "-webkit-background-composite", "-moz-binding", "-ms-block-progression", "-webkit-border-after", "-webkit-border-after", "-webkit-border-after-color", "-webkit-border-after-color", "-webkit-border-after-style", "-webkit-border-after-style", "-webkit-border-after-width", "-webkit-border-after-width", "-webkit-border-before", "-webkit-border-before", "-webkit-border-before-color", "-webkit-border-before-color", "-webkit-border-before-style", "-webkit-border-before-style", "-webkit-border-before-width", "-webkit-border-before-width", "-moz-border-bottom-colors", "-webkit-border-end", "-webkit-border-end", "-moz-border-end", "-webkit-border-end-color", "-webkit-border-end-color", "-moz-border-end-color", "-webkit-border-end-style", "-webkit-border-end-style", "-moz-border-end-style", "-webkit-border-end-width", "-webkit-border-end-width", "-moz-border-end-width", "-webkit-border-fit", "-webkit-border-horizontal-spacing", "-webkit-border-horizontal-spacing", "-moz-border-left-colors", "-moz-border-right-colors", "-webkit-border-start", "-webkit-border-start", "-moz-border-start", "-webkit-border-start-color", "-webkit-border-start-color", "-moz-border-start-color", "-webkit-border-start-style", "-webkit-border-start-style", "-moz-border-start-style", "-webkit-border-start-width", "-webkit-border-start-width", "-moz-border-start-width", "-moz-border-top-colors", "-webkit-border-vertical-spacing", "-webkit-border-vertical-spacing", "-webkit-box-align", "-webkit-box-align", "-moz-box-align", "-webkit-box-decoration-break", "-webkit-box-decoration-break", "box-decoration-break", "-webkit-box-direction", "-webkit-box-direction", "-moz-box-direction", "-webkit-box-flex", "-webkit-box-flex", "-moz-box-flex", "-webkit-box-flex-group", "-webkit-box-flex-group", "-webkit-box-lines", "-webkit-box-lines", "-webkit-box-ordinal-group", "-webkit-box-ordinal-group", "-moz-box-ordinal-group", "-webkit-box-orient", "-webkit-box-orient", "-moz-box-orient", "-webkit-box-pack", "-webkit-box-pack", "-moz-box-pack", "-webkit-box-reflect", "-webkit-box-reflect", "clip-path", "-webkit-clip-path", "clip-path", "clip-path", "-webkit-color-correction", "-webkit-column-axis", "-webkit-column-break-after", "-webkit-column-break-after", "-webkit-column-break-before", "-webkit-column-break-before", "-webkit-column-break-inside", "-webkit-column-break-inside", "-webkit-column-count", "column-count", "-moz-column-count", "column-count", "column-fill", "column-fill", "-moz-column-fill", "column-fill", "-webkit-column-gap", "column-gap", "-moz-column-gap", "column-gap", "-webkit-column-rule", "column-rule", "-moz-column-rule", "column-rule", "-webkit-column-rule-color", "column-rule-color", "-moz-column-rule-color", "column-rule-color", "-webkit-column-rule-style", "column-rule-style", "-moz-column-rule-style", "column-rule-style", "-webkit-column-rule-width", "column-rule-width", "-moz-column-rule-width", "column-rule-width", "-webkit-column-span", "column-span", "column-span", "-webkit-column-width", "column-width", "-moz-column-width", "column-width", "-webkit-columns", "columns", "-moz-columns", "columns", "-ms-content-zoom-chaining", "-ms-content-zoom-limit", "-ms-content-zoom-limit-max", "-ms-content-zoom-limit-min", "-ms-content-zoom-snap", "-ms-content-zoom-snap-points", "-ms-content-zoom-snap-type", "-ms-content-zooming", "-moz-control-character-visibility", "-webkit-cursor-visibility", "-webkit-dashboard-region", "filter", "-webkit-filter", "filter", "filter", "-ms-flex-align", "-ms-flex-item-align", "-ms-flex-line-pack", "-ms-flex-negative", "-ms-flex-order", "-ms-flex-pack", "-ms-flex-positive", "-ms-flex-preferred-size", "-moz-float-edge", "-webkit-flow-from", "-ms-flow-from", "-webkit-flow-into", "-ms-flow-into", "-webkit-font-feature-settings", "-webkit-font-feature-settings", "font-feature-settings", "font-feature-settings", "font-kerning", "-webkit-font-kerning", "font-kerning", "-webkit-font-size-delta", "-webkit-font-size-delta", "-webkit-font-smoothing", "-webkit-font-smoothing", "font-variant-ligatures", "-webkit-font-variant-ligatures", "font-variant-ligatures", "-moz-force-broken-image-icon", "grid", "-webkit-grid", "grid", "grid-area", "-webkit-grid-area", "grid-area", "grid-auto-columns", "-webkit-grid-auto-columns", "grid-auto-columns", "grid-auto-flow", "-webkit-grid-auto-flow", "grid-auto-flow", "grid-auto-rows", "-webkit-grid-auto-rows", "grid-auto-rows", "grid-column", "-webkit-grid-column", "grid-column", "-ms-grid-column", "-ms-grid-column-align", "grid-column-end", "-webkit-grid-column-end", "grid-column-end", "-ms-grid-column-span", "grid-column-start", "-webkit-grid-column-start", "grid-column-start", "-ms-grid-columns", "grid-row", "-webkit-grid-row", "grid-row", "-ms-grid-row", "-ms-grid-row-align", "grid-row-end", "-webkit-grid-row-end", "grid-row-end", "-ms-grid-row-span", "grid-row-start", "-webkit-grid-row-start", "grid-row-start", "-ms-grid-rows", "grid-template", "-webkit-grid-template", "grid-template", "grid-template-areas", "-webkit-grid-template-areas", "grid-template-areas", "grid-template-columns", "-webkit-grid-template-columns", "grid-template-columns", "grid-template-rows", "-webkit-grid-template-rows", "grid-template-rows", "-ms-high-contrast-adjust", "-webkit-highlight", "-webkit-hyphenate-character", "-webkit-hyphenate-character", "-webkit-hyphenate-limit-after", "-webkit-hyphenate-limit-before", "-ms-hyphenate-limit-chars", "-webkit-hyphenate-limit-lines", "-ms-hyphenate-limit-lines", "-ms-hyphenate-limit-zone", "-webkit-hyphens", "-moz-hyphens", "-ms-hyphens", "-moz-image-region", "-ms-ime-align", "-webkit-initial-letter", "-ms-interpolation-mode", "justify-self", "-webkit-justify-self", "-webkit-line-align", "-webkit-line-box-contain", "-webkit-line-box-contain", "-webkit-line-break", "-webkit-line-break", "line-break", "-webkit-line-clamp", "-webkit-line-clamp", "-webkit-line-grid", "-webkit-line-snap", "-webkit-locale", "-webkit-locale", "-webkit-logical-height", "-webkit-logical-height", "-webkit-logical-width", "-webkit-logical-width", "-webkit-margin-after", "-webkit-margin-after", "-webkit-margin-after-collapse", "-webkit-margin-after-collapse", "-webkit-margin-before", "-webkit-margin-before", "-webkit-margin-before-collapse", "-webkit-margin-before-collapse", "-webkit-margin-bottom-collapse", "-webkit-margin-bottom-collapse", "-webkit-margin-collapse", "-webkit-margin-collapse", "-webkit-margin-end", "-webkit-margin-end", "-moz-margin-end", "-webkit-margin-start", "-webkit-margin-start", "-moz-margin-start", "-webkit-margin-top-collapse", "-webkit-margin-top-collapse", "-webkit-marquee", "-webkit-marquee-direction", "-webkit-marquee-increment", "-webkit-marquee-repetition", "-webkit-marquee-speed", "-webkit-marquee-style", "mask", "-webkit-mask", "mask", "-webkit-mask-box-image", "-webkit-mask-box-image", "-webkit-mask-box-image-outset", "-webkit-mask-box-image-outset", "-webkit-mask-box-image-repeat", "-webkit-mask-box-image-repeat", "-webkit-mask-box-image-slice", "-webkit-mask-box-image-slice", "-webkit-mask-box-image-source", "-webkit-mask-box-image-source", "-webkit-mask-box-image-width", "-webkit-mask-box-image-width", "-webkit-mask-clip", "-webkit-mask-clip", "-webkit-mask-composite", "-webkit-mask-composite", "-webkit-mask-image", "-webkit-mask-image", "-webkit-mask-origin", "-webkit-mask-origin", "-webkit-mask-position", "-webkit-mask-position", "-webkit-mask-position-x", "-webkit-mask-position-x", "-webkit-mask-position-y", "-webkit-mask-position-y", "-webkit-mask-repeat", "-webkit-mask-repeat", "-webkit-mask-repeat-x", "-webkit-mask-repeat-x", "-webkit-mask-repeat-y", "-webkit-mask-repeat-y", "-webkit-mask-size", "-webkit-mask-size", "mask-source-type", "-webkit-mask-source-type", "-moz-math-display", "-moz-math-variant", "-webkit-max-logical-height", "-webkit-max-logical-height", "-webkit-max-logical-width", "-webkit-max-logical-width", "-webkit-min-logical-height", "-webkit-min-logical-height", "-webkit-min-logical-width", "-webkit-min-logical-width", "-webkit-nbsp-mode", "-moz-orient", "-moz-osx-font-smoothing", "-moz-outline-radius", "-moz-outline-radius-bottomleft", "-moz-outline-radius-bottomright", "-moz-outline-radius-topleft", "-moz-outline-radius-topright", "-webkit-overflow-scrolling", "-ms-overflow-style", "-webkit-padding-after", "-webkit-padding-after", "-webkit-padding-before", "-webkit-padding-before", "-webkit-padding-end", "-webkit-padding-end", "-moz-padding-end", "-webkit-padding-start", "-webkit-padding-start", "-moz-padding-start", "perspective", "-webkit-perspective", "perspective", "perspective", "perspective-origin", "-webkit-perspective-origin", "perspective-origin", "perspective-origin", "-webkit-perspective-origin-x", "-webkit-perspective-origin-x", "perspective-origin-x", "-webkit-perspective-origin-y", "-webkit-perspective-origin-y", "perspective-origin-y", "-webkit-print-color-adjust", "-webkit-print-color-adjust", "-webkit-region-break-after", "-webkit-region-break-before", "-webkit-region-break-inside", "-webkit-region-fragment", "-webkit-rtl-ordering", "-webkit-rtl-ordering", "-webkit-ruby-position", "-webkit-ruby-position", "ruby-position", "-moz-script-level", "-moz-script-min-size", "-moz-script-size-multiplier", "-ms-scroll-chaining", "-ms-scroll-limit", "-ms-scroll-limit-x-max", "-ms-scroll-limit-x-min", "-ms-scroll-limit-y-max", "-ms-scroll-limit-y-min", "-ms-scroll-rails", "-webkit-scroll-snap-coordinate", "-webkit-scroll-snap-destination", "-webkit-scroll-snap-points-x", "-ms-scroll-snap-points-x", "-webkit-scroll-snap-points-y", "-ms-scroll-snap-points-y", "-webkit-scroll-snap-type", "-ms-scroll-snap-type", "-ms-scroll-snap-x", "-ms-scroll-snap-y", "-ms-scroll-translation", "-ms-scrollbar-3dlight-color", "shape-image-threshold", "-webkit-shape-image-threshold", "shape-margin", "-webkit-shape-margin", "shape-outside", "-webkit-shape-outside", "-moz-stack-sizing", "tab-size", "tab-size", "-moz-tab-size", "-webkit-tap-highlight-color", "-webkit-tap-highlight-color", "text-align-last", "-webkit-text-align-last", "-moz-text-align-last", "text-align-last", "-webkit-text-combine", "-webkit-text-combine", "-ms-text-combine-horizontal", "text-decoration-color", "-webkit-text-decoration-color", "text-decoration-color", "text-decoration-color", "text-decoration-line", "-webkit-text-decoration-line", "text-decoration-line", "-webkit-text-decoration-skip", "text-decoration-style", "-webkit-text-decoration-style", "text-decoration-style", "-webkit-text-decorations-in-effect", "-webkit-text-decorations-in-effect", "-webkit-text-emphasis", "text-emphasis", "-webkit-text-emphasis-color", "text-emphasis-color", "-webkit-text-emphasis-position", "text-emphasis-position", "-webkit-text-emphasis-style", "text-emphasis-style", "-webkit-text-fill-color", "-webkit-text-fill-color", "text-justify", "-webkit-text-justify", "text-justify", "-webkit-text-orientation", "-webkit-text-orientation", "text-orientation", "-webkit-text-security", "-webkit-text-security", "-webkit-text-size-adjust", "-moz-text-size-adjust", "-ms-text-size-adjust", "-webkit-text-stroke", "-webkit-text-stroke", "-webkit-text-stroke-color", "-webkit-text-stroke-color", "-webkit-text-stroke-width", "-webkit-text-stroke-width", "text-underline-position", "-webkit-text-underline-position", "text-underline-position", "-webkit-touch-callout", "-ms-touch-select", "transform", "-webkit-transform", "transform", "transform", "transform-origin", "-webkit-transform-origin", "transform-origin", "transform-origin", "-webkit-transform-origin-x", "-webkit-transform-origin-x", "transform-origin-x", "-webkit-transform-origin-y", "-webkit-transform-origin-y", "transform-origin-y", "-webkit-transform-origin-z", "-webkit-transform-origin-z", "transform-origin-z", "transform-style", "-webkit-transform-style", "transform-style", "transform-style", "-webkit-user-drag", "-webkit-user-drag", "-moz-user-focus", "-moz-user-input", "-webkit-user-modify", "-webkit-user-modify", "-moz-user-modify", "-webkit-user-select", "-webkit-user-select", "-moz-user-select", "-ms-user-select", "-moz-window-dragging", "-moz-window-shadow", "-ms-wrap-flow", "-ms-wrap-margin", "-ms-wrap-through", "writing-mode", "-webkit-writing-mode", "writing-mode", "writing-mode", ] all_styles = standard_styles + all_prefixed_styles