Sayfaya Nasıl HTML eklerim?

<div id="price">
  <!--price tab-->
  <div class="plan">
    <div class="plan-inner">
      <div class="entry-title">
        <h3>Basic Wash</h3>
        <div class="price">$25<span>/PER CAR</span>
        </div>
      </div>
      <div class="entry-content">
        <ul>
          <li><strong>1x</strong> option 1</li>
          <li><strong>2x</strong> option 2</li>...