<div class="relative">Phần tử dùng position: relative;
  <div class="absolute">Phần tử dùng position: absolute;</div>
</div>
div.relative {

  position: relative;

  width: 400px;

  height: 200px;

  border: 3px solid #73AD21;

}

div.absolute {

  position: absolute;

  top: 80px;

  right: 0;

  width: 200px;

  height: 100px;

  border: 3px solid #73AD21;

}

External CSS

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External JavaScript

This Pen doesn't use any external JavaScript resources.