title: Unexpected unknown at-rule "@tailwind" scss/at-rule-no-unknown
body: <p>This is my <code>stylelint.config.js</code>,</p>
  <pre><code>module.exports = {
    extends: ['stylelint-config-standard-scss'],
    rules: {
      'at-rule-no-unknown': [
        true,
        {
          ignoreAtRules: ['tailwind']
        }
      ],
      'declaration-block-trailing-semicolon': null,
      'scss/at-extend-no-missing-placeholder': null,
      'color-function-notation': 'legacy',
      'selector-pseudo-class-no-unknown': [
        true,
        {
          ignorePseudoClasses: ['deep']
        }
      ]
    }
  }
  </code></pre>
  <p>And when I run <code>stylelint &quot;**/*.{scss,css,sass,svelte}&quot;</code>, I get the following error:</p>
  <pre><code>yarn run v1.22.17
  $ stylelint &quot;**/*.{scss,css,sass,svelte}&quot;
  
  src/css/app.scss
   1:1  ✖  Unexpected unknown at-rule &quot;@tailwind&quot;  scss/at-rule-no-unknown
   2:1  ✖  Unexpected unknown at-rule &quot;@tailwind&quot;  scss/at-rule-no-unknown
   3:1  ✖  Unexpected unknown at-rule &quot;@tailwind&quot;  scss/at-rule-no-unknown
  
  error Command failed with exit code 2.
  info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
  </code></pre>
  <p>This is my css file,</p>
  <pre><code>@tailwind base;
  @tailwind components;
  @tailwind utilities;
  </code></pre>