message: chore: fix lower case
diff: @@ -33,11 +33,13 @@ function getIdsAndClassNames (root) {
  function getStylesByAttrs (attrs, from, to) {
  let result = ''
  + const lattrs = attrs.map(name => name.toLocaleLowerCase())
  +
  fs.readFile(from, (err, source) => {
  const root = postcss.parse(source, { from, to })
  root.walkRules(rule => {
  const selector = rule.selector.toLowerCase()
  - if (attrs.some(attr => selector.includes(attr))) {
  + if (lattrs.some(attr => selector.includes(attr))) {
  result += rule.toString() + '\n\n'
  rule.remove()
  }
  