example.html

/* Super simplified html form to illustrate BEM classname usage. */

<form class="checkout-form checkout-form--darkmode"> 
  
  <p class="checkout-form__title"> 
    Buy Bitcoins!
  </p>
  
  <input class="checkout-form__input checkout-form__input--big"/>
  
  <button class="checkout-form__btn">
    Buy Now!
  </button>
  
</form>