<div class="dunya">
  <p class="turkiye">
    <span class="istanbul">
      <strong class="pendik">
        <button class="deneme button">Deneme</button>             </strong>
    </span>
    
  </p>
</div>
.dunya { color: red; font-size: 44px; margin: 40px;}
.turkiye { font-size: 32px; color: blue; }
.button { border: 3px solid red; background: yellow; font-size: 40px; color: pink; padding: 40px; display: block; }
.deneme { all: unset; color: pink; }

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.