Vizualization- css specificity (disabled)

<style>
  main > button.btn {
    background-color: orange;
  }

  .btn.btn-primary {
    background-color: violet;
  }

  .btn:disabled {
    background-color: darkgrey;
  }
</style>

<main>
  <button class="btn btn-primary" disabled>Click</button>
</main>