.my-css {
  display: block;
}

  .my-scss {
  @include my-mixin;
}

  <header>
  <h1>Headline</h1>
</header>

  import { props } from '@bolt/core-v3.x/utils';

  {% include '@bolt-components-code-snippet/code-snippet.twig' with {
  display: 'block',
  lang: 'html',
  content: 'Some code snippet'
} only %}