(Prism.languages.less = Prism.languages.extend('css', {
  comment: [/\/\*[\s\S]*?\*\//, { pattern: /(^|[^\\])\/\/.*/, lookbehind: !0 }],
  atrule: {
    pattern:
      /@[\w-](?:\((?:[^(){}]|\([^(){}]*\))*\)|[^(){};\s]|\s+(?!\s))*?(?=\s*\{)/,
    inside: { punctuation: /[:()]/ },
  },
  selector: {
    pattern:
      /(?:@\{[\w-]+\}|[^{};\s@])(?:@\{[\w-]+\}|\((?:[^(){}]|\([^(){}]*\))*\)|[^(){};@\s]|\s+(?!\s))*?(?=\s*\{)/,
    inside: { variable: /@+[\w-]+/ },
  },
  property: /(?:@\{[\w-]+\}|[\w-])+(?:\+_?)?(?=\s*:)/,
  operator: /[+\-*\/]/,
})),
  Prism.languages.insertBefore('less', 'property', {
    variable: [
      { pattern: /@[\w-]+\s*:/, inside: { punctuation: /:/ } },
      /@@?[\w-]+/,
    ],
    'mixin-usage': {
      pattern: /([{;]\s*)[.#](?!\d)[\w-].*?(?=[(;])/,
      lookbehind: !0,
      alias: 'function',
    },
  });