Absolute position taking up parent height

by incutonez

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/tailwindcss/2.2.19/tailwind.min.css">
<div class="h-full w-full">
  <div class="relative overflow-hidden">
    <input class="border border-gray-300">
    <div class="absolute top-full overflow-auto my-div">
      <div class="my-list-item border border-blue-300 relative">
        Hello
      </div>
    </div>
  </div>
  <div>
    Thing!
  </div>
</div>

CSS

body, html {
  height: 100%;
  width: 100%;
  position: relative;
}

.my-div {
  height: 800px;
}

.my-list-item {
  height: 800px;
}