menu.html

<div class="menu">
  <div class="menu-table flex-row-space-between">
    <div class="logo flex-row-center">
      <a href="index.html">ZTHA@ICCAD 2023</a>
    </div>
    <a class="menu-button" tabindex="0" href="javascript:void(0)">
      <img src="img/menu.png">
    </a>
    <div class="menu-items flex-row-center flex-item">
      <a href="index.html" class="menu-index">Home</a>
      <a href="submission.html" class="menu-submission">Submission</a>
      <a href="program.html" class="menu-program">Program</a>
      <a href="committee.html" class="menu-committee">Committee</a>
      <div class="custom-dropdown">
  	<button>Past Events</button>
  	<div class="custom-textbox">
          <a href="ztha2022/index.html" class="menu-ztha2022">2022</a>
  	</div>
      </div>
    </div>
  </div>
</div>