how to change the button size in css code example

Example 1: change button size css

.test{
    height:200px;
    width:200px;
}

Example 2: css button style rectangle

<div class="placeholder-box">
  <button type="button"> Button Text Here </button>
  <p>Nunc condimentum mauris elit</p>
  <ul>
    <li>Duis quis eros felis</li>
    <li>Nulla facilisi</li>
  </ul>
</div>