new_site/assets/js/distillpub/transforms.v2.js

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222 KiB
JavaScript

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e(t){(0,r["default"])(this,e),this.style=t.style,this.color=t.color,this.size=t.size||o,this.textSize=t.textSize||this.size,this.phantom=t.phantom,this.font=t.font,this.sizeMultiplier=l[this.size-1],this._fontMetrics=null}return(0,i["default"])(e,[{key:"extend",value:function(t){var n={style:this.style,size:this.size,textSize:this.textSize,color:this.color,phantom:this.phantom,font:this.font};for(var r in t)t.hasOwnProperty(r)&&(n[r]=t[r]);return new e(n)}},{key:"havingStyle",value:function(e){return this.style===e?this:this.extend({style:e,size:u(this.textSize,e)})}},{key:"havingCrampedStyle",value:function(){return this.havingStyle(this.style.cramp())}},{key:"havingSize",value:function(e){return this.size===e&&this.textSize===e?this:this.extend({style:this.style.text(),size:e,textSize:e})}},{key:"havingBaseStyle",value:function(e){e=e||this.style.text();var t=u(o,e);return this.size===t&&this.textSize===o&&this.style===e?this:this.extend({style:e,size:t,baseSize:o})}},{key:"withColor",value:function(e){return this.extend({color:e})}},{key:"withPhantom",value:function(){return this.extend({phantom:!0})}},{key:"withFont",value:function(e){return this.extend({font:e||this.font})}},{key:"sizingClasses",value:function(e){return e.size!==this.size?["sizing","reset-size"+e.size,"size"+this.size]:[]}},{key:"baseSizingClasses",value:function(){return this.size!==o?["sizing","reset-size"+this.size,"size"+o]:[]}},{key:"fontMetrics",value:function(){return this._fontMetrics||(this._fontMetrics=a["default"].getFontMetrics(this.size)),this._fontMetrics}},{key:"getColor",value:function(){return this.phantom?"transparent":e.colorMap[this.color]||this.color}}]),e}();d.colorMap={"katex-blue":"#6495ed","katex-orange":"#ffa500","katex-pink":"#ff00af","katex-red":"#df0030","katex-green":"#28ae7b","katex-gray":"gray","katex-purple":"#9d38bd","katex-blueA":"#ccfaff","katex-blueB":"#80f6ff","katex-blueC":"#63d9ea","katex-blueD":"#11accd","katex-blueE":"#0c7f99","katex-tealA":"#94fff5","katex-tealB":"#26edd5","katex-tealC":"#01d1c1","katex-tealD":"#01a995","katex-tealE":"#208170","katex-greenA":"#b6ffb0","katex-greenB":"#8af281","katex-greenC":"#74cf70","katex-greenD":"#1fab54","katex-greenE":"#0d923f","katex-goldA":"#ffd0a9","katex-goldB":"#ffbb71","katex-goldC":"#ff9c39","katex-goldD":"#e07d10","katex-goldE":"#a75a05","katex-redA":"#fca9a9","katex-redB":"#ff8482","katex-redC":"#f9685d","katex-redD":"#e84d39","katex-redE":"#bc2612","katex-maroonA":"#ffbde0","katex-maroonB":"#ff92c6","katex-maroonC":"#ed5fa6","katex-maroonD":"#ca337c","katex-maroonE":"#9e034e","katex-purpleA":"#ddd7ff","katex-purpleB":"#c6b9fc","katex-purpleC":"#aa87ff","katex-purpleD":"#7854ab","katex-purpleE":"#543b78","katex-mintA":"#f5f9e8","katex-mintB":"#edf2df","katex-mintC":"#e0e5cc","katex-grayA":"#f6f7f7","katex-grayB":"#f0f1f2","katex-grayC":"#e3e5e6","katex-grayD":"#d6d8da","katex-grayE":"#babec2","katex-grayF":"#888d93","katex-grayG":"#626569","katex-grayH":"#3b3e40","katex-grayI":"#21242c","katex-kaBlue":"#314453","katex-kaGreen":"#71B307"},d.BASESIZE=o,t.exports=d},{"./fontMetrics":41,"babel-runtime/helpers/classCallCheck":4,"babel-runtime/helpers/createClass":5}],29:[function(e,t){function n(e){return e&&e.__esModule?e:{"default":e}}var r=n(e("babel-runtime/helpers/classCallCheck")),i=function a(e,t){(0,r["default"])(this,a);var n="KaTeX parse error: "+e,i=void 0,o=void 0;if(t&&t.lexer&&t.start<=t.end){var s=t.lexer.input;i=t.start,o=t.end,i===s.length?n+=" at end of input: ":n+=" at position "+(i+1)+": ";var l=s.slice(i,o).replace(/[^]/g,"$&\u0332");n+=(i>15?"\u2026"+s.slice(i-15,i):s.slice(0,i))+l+(o+15<s.length?s.slice(o,o+15)+"\u2026":s.slice(o))}var u=new Error(n);return u.name="ParseError",u.__proto__=a.prototype,u.position=i,u};i.prototype.__proto__=Error.prototype,t.exports=i},{"babel-runtime/helpers/classCallCheck":4}],30:[function(e,t,n){function r(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(n,"__esModule",{value:!0});var i=r(e("babel-runtime/helpers/classCallCheck")),a=function o(e,t,n,r,a){(0,i["default"])(this,o),this.type=e,this.value=t,this.mode=n,!r||a&&a.lexer!==r.lexer||(this.lexer=r.lexer,this.start=r.start,this.end=(a||r).end)};n["default"]=a},{"babel-runtime/helpers/classCallCheck":4}],31:[function(e,t){function n(e){return e&&e.__esModule?e:{"default":e}}function r(e,t,n){this.result=e,this.isFunction=t,this.token=n}var i=n(e("babel-runtime/helpers/classCallCheck")),a=n(e("babel-runtime/helpers/createClass")),o=n(e("./functions")),s=n(e("./environments")),l=n(e("./MacroExpander")),u=n(e("./symbols")),d=n(e("./utils")),c=n(e("./units")),h=e("./unicodeRegexes"),p=n(e("./ParseNode")),f=n(e("./ParseError")),m=function(){function e(t,n){(0,i["default"])(this,e),this.gullet=new l["default"](t,n.macros),n.colorIsTextColor&&(this.gullet.macros["\\color"]="\\textcolor"),this.settings=n,this.leftrightDepth=0}return(0,a["default"])(e,[{key:"expect",value:function(e,t){if(this.nextToken.text!==e)throw new f["default"]("Expected '"+e+"', got '"+this.nextToken.text+"'",this.nextToken);!1!==t&&this.consume()}},{key:"consume",value:function(){this.nextToken=this.gullet.get("math"===this.mode)}},{key:"switchMode",value:function(e){this.gullet.unget(this.nextToken),this.mode=e,this.consume()}},{key:"parse",value:function(){this.mode="math",this.consume();var e=this.parseInput();return e}},{key:"parseInput",value:function(){var e=this.parseExpression(!1);return this.expect("EOF",!1),e}},{key:"parseExpression",value:function(t,n){for(var r=[];;){var i=this.nextToken;if(-1!==e.endOfExpression.indexOf(i.text))break;if(n&&i.text===n)break;if(t&&o["default"][i.text]&&o["default"][i.text].infix)break;var a=this.parseAtom();if(!a){if(!this.settings.throwOnError&&"\\"===i.text[0]){var s=this.handleUnsupportedCmd();r.push(s);continue}break}r.push(a)}return this.handleInfixNodes(r)}},{key:"handleInfixNodes",value:function(e){for(var t=-1,n=void 0,r=0;r<e.length;r++){var i=e[r];if("infix"===i.type){if(-1!==t)throw new f["default"]("only one infix operator per group",i.value.token);t=r,n=i.value.replaceWith}}if(-1!==t){var a=void 0,o=void 0,s=e.slice(0,t),l=e.slice(t+1);a=1===s.length&&"ordgroup"===s[0].type?s[0]:new p["default"]("ordgroup",s,this.mode),o=1===l.length&&"ordgroup"===l[0].type?l[0]:new p["default"]("ordgroup",l,this.mode);var u=this.callFunction(n,[a,o],null);return[new p["default"](u.type,u,this.mode)]}return e}},{key:"handleSupSubscript",value:function(t){var n=this.nextToken,r=n.text;this.consume();var i=this.parseGroup();if(i){if(i.isFunction){if(o["default"][i.result].greediness>e.SUPSUB_GREEDINESS)return this.parseFunction(i);throw new f["default"]("Got function '"+i.result+"' with no arguments as "+t,n)}return i.result}if(this.settings.throwOnError||"\\"!==this.nextToken.text[0])throw new f["default"]("Expected group after '"+r+"'",n);return this.handleUnsupportedCmd()}},{key:"handleUnsupportedCmd",value:function(){for(var e=this.nextToken.text,t=[],n=0;n<e.length;n++)t.push(new p["default"]("textord",e[n],"text"));var r=new p["default"]("text",{body:t,type:"text"},this.mode),i=new p["default"]("color",{color:this.settings.errorColor,value:[r],type:"color"},this.mode);return this.consume(),i}},{key:"parseAtom",value:function(){var e=this.parseImplicitGroup();if("text"===this.mode)return e;for(var t=void 0,n=void 0;;){var r=this.nextToken;if("\\limits"===r.text||"\\nolimits"===r.text){if(!e||"op"!==e.type)throw new f["default"]("Limit controls must follow a math operator",r);var i="\\limits"===r.text;e.value.limits=i,e.value.alwaysHandleSupSub=!0,this.consume()}else if("^"===r.text){if(t)throw new f["default"]("Double superscript",r);t=this.handleSupSubscript("superscript")}else if("_"===r.text){if(n)throw new f["default"]("Double subscript",r);n=this.handleSupSubscript("subscript")}else{if("'"!==r.text)break;if(t)throw new f["default"]("Double superscript",r);var a=new p["default"]("textord","\\prime",this.mode),o=[a];for(this.consume();"'"===this.nextToken.text;)o.push(a),this.consume();"^"===this.nextToken.text&&o.push(this.handleSupSubscript("superscript")),t=new p["default"]("ordgroup",o,this.mode)}}return t||n?new p["default"]("supsub",{base:e,sup:t,sub:n},this.mode):e}},{key:"parseImplicitGroup",value:function(){var t=this.parseSymbol();if(null==t)return this.parseFunction();var n=t.result;if("\\left"===n){var r=this.parseFunction(t);++this.leftrightDepth;var i=this.parseExpression(!1);--this.leftrightDepth,this.expect("\\right",!1);var a=this.parseFunction();return new p["default"]("leftright",{body:i,left:r.value.value,right:a.value.value},this.mode)}if("\\begin"===n){var o=this.parseFunction(t),l=o.value.name;if(!s["default"].hasOwnProperty(l))throw new f["default"]("No such environment: "+l,o.value.nameGroup);var u=s["default"][l],c=this.parseArguments("\\begin{"+l+"}",u),h={mode:this.mode,envName:l,parser:this,positions:c.pop()},m=u.handler(h,c);this.expect("\\end",!1);var g=this.nextToken,v=this.parseFunction();if(v.value.name!==l)throw new f["default"]("Mismatch: \\begin{"+l+"} matched by \\end{"+v.value.name+"}",g);return m.position=v.position,m}if(d["default"].contains(e.sizeFuncs,n)){this.consumeSpaces();var b=this.parseExpression(!1);return new p["default"]("sizing",{size:d["default"].indexOf(e.sizeFuncs,n)+1,value:b},this.mode)}if(d["default"].contains(e.styleFuncs,n)){this.consumeSpaces();var y=this.parseExpression(!0);return new p["default"]("styling",{style:n.slice(1,n.length-5),value:y},this.mode)}if(n in e.oldFontFuncs){var x=e.oldFontFuncs[n];this.consumeSpaces();var w=this.parseExpression(!0);return"text"===x.slice(0,4)?new p["default"]("text",{style:x,body:new p["default"]("ordgroup",w,this.mode)},this.mode):new p["default"]("font",{font:x,body:new p["default"]("ordgroup",w,this.mode)},this.mode)}if("\\color"===n){var k=this.parseColorGroup(!1);if(!k)throw new f["default"]("\\color not followed by color");var M=this.parseExpression(!0);return new p["default"]("color",{type:"color",color:k.result.value,value:M},this.mode)}if("$"===n){if("math"===this.mode)throw new f["default"]("$ within math mode");this.consume();var S=this.mode;this.switchMode("math");var z=this.parseExpression(!1,"$");return this.expect("$",!0),this.switchMode(S),new p["default"]("styling",{style:"text",value:z},"math")}return this.parseFunction(t)}},{key:"parseFunction",value:function(e){if(e||(e=this.parseGroup()),e){if(e.isFunction){var t=e.result,n=o["default"][t];if("text"===this.mode&&!n.allowedInText)throw new f["default"]("Can't use function '"+t+"' in text mode",e.token);if("math"===this.mode&&!1===n.allowedInMath)throw new f["default"]("Can't use function '"+t+"' in math mode",e.token);var r=this.parseArguments(t,n),i=e.token,a=this.callFunction(t,r,r.pop(),i);return new p["default"](a.type,a,this.mode)}return e.result}return null}},{key:"callFunction",value:function(e,t,n,r){var i={funcName:e,parser:this,positions:n,token:r};return o["default"][e].handler(i,t)}},{key:"parseArguments",value:function(e,t){var n=t.numArgs+t.numOptionalArgs;if(0===n)return[[this.pos]];for(var i=t.greediness,a=[this.pos],s=[],l=0;l<n;l++){var u=this.nextToken,d=t.argTypes&&t.argTypes[l],c=void 0;if(l<t.numOptionalArgs){if(!(c=d?this.parseGroupOfType(d,!0):this.parseGroup(!0))){s.push(null),a.push(this.pos);continue}}else if(!(c=d?this.parseGroupOfType(d):this.parseGroup())){if(this.settings.throwOnError||"\\"!==this.nextToken.text[0])throw new f["default"]("Expected group after '"+e+"'",u);c=new r(this.handleUnsupportedCmd(this.nextToken.text),!1)}var h=void 0;if(c.isFunction){if(!(o["default"][c.result].greediness>i))throw new f["default"]("Got function '"+c.result+"' as argument to '"+e+"'",u);h=this.parseFunction(c)}else h=c.result;s.push(h),a.push(this.pos)}return s.push(a),s}},{key:"parseGroupOfType",value:function(e,t){var n=this.mode;if("original"===e&&(e=n),"color"===e)return this.parseColorGroup(t);if("size"===e)return this.parseSizeGroup(t);this.switchMode(e),"text"===e&&this.consumeSpaces();var r=this.parseGroup(t);return this.switchMode(n),r}},{key:"consumeSpaces",value:function(){for(;" "===this.nextToken.text;)this.consume()}},{key:"parseStringGroup",value:function(e,t){if(t&&"["!==this.nextToken.text)return null;var n=this.mode;this.mode="text",this.expect(t?"[":"{");for(var r="",i=this.nextToken,a=i;this.nextToken.text!==(t?"]":"}");){if("EOF"===this.nextToken.text)throw new f["default"]("Unexpected end of input in "+e,i.range(this.nextToken,r));r+=(a=this.nextToken).text,this.consume()}return this.mode=n,this.expect(t?"]":"}"),i.range(a,r)}},{key:"parseRegexGroup",value:function(e,t){var n=this.mode;this.mode="text";for(var r=this.nextToken,i=r,a="";"EOF"!==this.nextToken.text&&e.test(a+this.nextToken.text);)a+=(i=this.nextToken).text,this.consume();if(""===a)throw new f["default"]("Invalid "+t+": '"+r.text+"'",r);return this.mode=n,r.range(i,a)}},{key:"parseColorGroup",value:function(e){var t=this.parseStringGroup("color",e);if(!t)return null;var n=/^(#[a-z0-9]+|[a-z]+)$/i.exec(t.text);if(!n)throw new f["default"]("Invalid color: '"+t.text+"'",t)
;return new r(new p["default"]("color",n[0],this.mode),!1)}},{key:"parseSizeGroup",value:function(e){var t=void 0;if(!(t=e||"{"===this.nextToken.text?this.parseStringGroup("size",e):this.parseRegexGroup(/^[-+]? *(?:$|\d+|\d+\.\d*|\.\d*) *[a-z]{0,2} *$/,"size")))return null;var n=/([-+]?) *(\d+(?:\.\d*)?|\.\d+) *([a-z]{2})/.exec(t.text);if(!n)throw new f["default"]("Invalid size: '"+t.text+"'",t);var i={number:+(n[1]+n[2]),unit:n[3]};if(!c["default"].validUnit(i))throw new f["default"]("Invalid unit: '"+i.unit+"'",t);return new r(new p["default"]("size",i,this.mode),!1)}},{key:"parseGroup",value:function(e){var t=this.nextToken;if(this.nextToken.text===(e?"[":"{")){this.consume();var n=this.parseExpression(!1,e?"]":null),i=this.nextToken;return this.expect(e?"]":"}"),"text"===this.mode&&this.formLigatures(n),new r(new p["default"]("ordgroup",n,this.mode,t,i),!1)}return e?null:this.parseSymbol()}},{key:"formLigatures",value:function(e){for(var t=e.length-1,n=0;n<t;++n){var r=e[n],i=r.value;"-"===i&&"-"===e[n+1].value&&(n+1<t&&"-"===e[n+2].value?(e.splice(n,3,new p["default"]("textord","---","text",r,e[n+2])),t-=2):(e.splice(n,2,new p["default"]("textord","--","text",r,e[n+1])),t-=1)),"'"!==i&&"`"!==i||e[n+1].value!==i||(e.splice(n,2,new p["default"]("textord",i+i,"text",r,e[n+1])),t-=1)}}},{key:"parseSymbol",value:function(){var e=this.nextToken;return o["default"][e.text]?(this.consume(),new r(e.text,!0,e)):u["default"][this.mode][e.text]?(this.consume(),new r(new p["default"](u["default"][this.mode][e.text].group,e.text,this.mode,e),!1,e)):"text"===this.mode&&h.cjkRegex.test(e.text)?(this.consume(),new r(new p["default"]("textord",e.text,this.mode,e),!1,e)):"$"===e.text?new 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/*!
* escape-html
* Copyright(c) 2012-2013 TJ Holowaychuk
* Copyright(c) 2015 Andreas Lubbe
* Copyright(c) 2015 Tiancheng "Timothy" Gu
* MIT Licensed
*/
// Copyright 2018 The Distill Template Authors
const me='/*\n * Copyright 2018 The Distill Template Authors\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nhtml {\n font-size: 14px;\n\tline-height: 1.6em;\n /* font-family: "Libre Franklin", "Helvetica Neue", sans-serif; */\n font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, sans-serif;\n /*, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";*/\n text-size-adjust: 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* distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n@supports not (display: grid) {\n .base-grid,\n distill-header,\n d-title,\n d-abstract,\n d-article,\n d-appendix,\n distill-appendix,\n d-byline,\n d-footnote-list,\n d-citation-list,\n distill-footer {\n display: block;\n padding: 8px;\n }\n}\n\n.base-grid,\ndistill-header,\nd-title,\nd-abstract,\nd-article,\nd-appendix,\ndistill-appendix,\nd-byline,\nd-footnote-list,\nd-citation-list,\ndistill-footer {\n display: grid;\n justify-items: stretch;\n grid-template-columns: [screen-start] 8px [page-start kicker-start text-start gutter-start middle-start] 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr [text-end page-end gutter-end kicker-end middle-end] 8px [screen-end];\n grid-column-gap: 8px;\n}\n\n.grid {\n display: grid;\n grid-column-gap: 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.grid {\n grid-column-gap: 16px;\n }\n}\n\n@media(min-width: 1180px) {\n .base-grid,\n distill-header,\n d-title,\n d-abstract,\n d-article,\n d-appendix,\n distill-appendix,\n d-byline,\n d-footnote-list,\n d-citation-list,\n distill-footer {\n grid-template-columns: [screen-start] 1fr [page-start kicker-start] 60px [middle-start] 60px [text-start kicker-end] 60px 60px 60px 60px 60px 60px 60px 60px [text-end gutter-start] 60px [middle-end] 60px [page-end gutter-end] 1fr [screen-end];\n grid-column-gap: 32px;\n }\n\n .grid {\n grid-column-gap: 32px;\n }\n}\n\n\n\n\n.base-grid {\n grid-column: screen;\n}\n\n/* .l-body,\nd-article > * {\n grid-column: text;\n}\n\n.l-page,\nd-title > *,\nd-figure {\n grid-column: page;\n} */\n\n.l-gutter {\n grid-column: gutter;\n}\n\n.l-text,\n.l-body {\n grid-column: text;\n}\n\n.l-page {\n grid-column: page;\n}\n\n.l-body-outset {\n grid-column: middle;\n}\n\n.l-page-outset {\n grid-column: page;\n}\n\n.l-screen {\n grid-column: screen;\n}\n\n.l-screen-inset {\n grid-column: screen;\n padding-left: 16px;\n padding-left: 16px;\n}\n\n\n/* Aside */\n\nd-article aside {\n grid-column: gutter;\n font-size: 12px;\n line-height: 1.6em;\n color: rgba(0, 0, 0, 0.6)\n}\n\n@media(min-width: 768px) {\n aside {\n grid-column: gutter;\n }\n\n .side {\n grid-column: gutter;\n }\n}\n'+'/*\n * Copyright 2018 The Distill Template Authors\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nd-title {\n padding: 2rem 0 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http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nd-byline {\n contain: style;\n overflow: hidden;\n border-top: 1px solid rgba(0, 0, 0, 0.1);\n font-size: 0.8rem;\n line-height: 1.8em;\n padding: 1.5rem 0;\n min-height: 1.8em;\n}\n\n\nd-byline .byline {\n grid-template-columns: 1fr 1fr;\n grid-column: text;\n}\n\n@media(min-width: 768px) {\n d-byline .byline {\n grid-template-columns: 1fr 1fr 1fr 1fr;\n }\n}\n\nd-byline .authors-affiliations {\n grid-column-end: span 2;\n grid-template-columns: 1fr 1fr;\n margin-bottom: 1em;\n}\n\n@media(min-width: 768px) {\n d-byline .authors-affiliations {\n margin-bottom: 0;\n }\n}\n\nd-byline h3 {\n font-size: 0.6rem;\n font-weight: 400;\n color: rgba(0, 0, 0, 0.5);\n margin: 0;\n text-transform: uppercase;\n}\n\nd-byline p {\n margin: 0;\n}\n\nd-byline a,\nd-article d-byline a {\n color: rgba(0, 0, 0, 0.8);\n text-decoration: none;\n border-bottom: none;\n}\n\nd-article d-byline a:hover {\n text-decoration: underline;\n border-bottom: none;\n}\n\nd-byline p.author {\n font-weight: 500;\n}\n\nd-byline .affiliations {\n\n}\n'+'/*\n * Copyright 2018 The Distill Template Authors\n *\n * Licensed under the Apache License, Version 2.0 (the "License");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an "AS IS" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nd-article {\n contain: layout style;\n overflow-x: hidden;\n border-top: 1px solid rgba(0, 0, 0, 0.1);\n padding-top: 2rem;\n color: rgba(0, 0, 0, 0.8);\n}\n\nd-article > * {\n grid-column: text;\n}\n\n@media(min-width: 768px) {\n d-article {\n font-size: 16px;\n }\n}\n\n@media(min-width: 1024px) {\n d-article {\n font-size: 1.06rem;\n line-height: 1.7em;\n }\n}\n\n\n/* H2 */\n\n\nd-article .marker {\n text-decoration: none;\n border: none;\n counter-reset: section;\n grid-column: kicker;\n line-height: 1.7em;\n}\n\nd-article .marker:hover {\n border: none;\n}\n\nd-article .marker span {\n padding: 0 3px 4px;\n border-bottom: 1px solid rgba(0, 0, 0, 0.2);\n position: relative;\n top: 4px;\n}\n\nd-article .marker:hover span {\n color: rgba(0, 0, 0, 0.7);\n border-bottom: 1px solid rgba(0, 0, 0, 0.7);\n}\n\nd-article h2 {\n font-weight: 600;\n font-size: 24px;\n line-height: 1.25em;\n margin: 2rem 0 1.5rem 0;\n border-bottom: 1px solid rgba(0, 0, 0, 0.1);\n padding-bottom: 1rem;\n}\n\n@media(min-width: 1024px) {\n d-article h2 {\n font-size: 36px;\n }\n}\n\n/* H3 */\n\nd-article h3 {\n font-weight: 700;\n font-size: 18px;\n line-height: 1.4em;\n margin-bottom: 1em;\n margin-top: 2em;\n}\n\n@media(min-width: 1024px) {\n d-article h3 {\n font-size: 20px;\n }\n}\n\n/* H4 */\n\nd-article h4 {\n font-weight: 600;\n text-transform: uppercase;\n font-size: 14px;\n line-height: 1.4em;\n}\n\nd-article a {\n color: inherit;\n}\n\nd-article p,\nd-article ul,\nd-article ol,\nd-article blockquote {\n margin-top: 0;\n margin-bottom: 1em;\n margin-left: 0;\n margin-right: 0;\n}\n\nd-article blockquote {\n border-left: 2px solid rgba(0, 0, 0, 0.2);\n padding-left: 2em;\n font-style: italic;\n color: rgba(0, 0, 0, 0.6);\n}\n\nd-article a {\n border-bottom: 1px solid rgba(0, 0, 0, 0.4);\n text-decoration: none;\n}\n\nd-article a:hover {\n border-bottom: 1px solid rgba(0, 0, 0, 0.8);\n}\n\nd-article .link {\n text-decoration: underline;\n cursor: pointer;\n}\n\nd-article ul,\nd-article ol {\n padding-left: 24px;\n}\n\nd-article li {\n margin-bottom: 1em;\n margin-left: 0;\n padding-left: 0;\n}\n\nd-article li:last-child {\n margin-bottom: 0;\n}\n\nd-article pre {\n font-size: 14px;\n margin-bottom: 20px;\n}\n\nd-article hr {\n grid-column: screen;\n width: 100%;\n border: none;\n border-bottom: 1px solid rgba(0, 0, 0, 0.1);\n margin-top: 60px;\n margin-bottom: 60px;\n}\n\nd-article section {\n margin-top: 60px;\n margin-bottom: 60px;\n}\n\nd-article span.equation-mimic {\n font-family: georgia;\n font-size: 115%;\n font-style: italic;\n}\n\nd-article > d-code,\nd-article section > d-code {\n display: block;\n}\n\nd-article > d-math[block],\nd-article section > d-math[block] {\n display: block;\n}\n\n@media (max-width: 768px) {\n d-article > d-code,\n d-article section > d-code,\n d-article > d-math[block],\n d-article section > d-math[block] {\n overflow-x: scroll;\n -ms-overflow-style: none; // IE 10+\n overflow: 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