<div>
  <div id="absolute">absolute</div>
</div>
<div id="parent">
  <div id="child">children</div>
</div>
#absolute {
  background: yellow;
  position: absolute;
  right: 0;
}

#parent {
  position: relative;
  width: 100px;
  height: 100px;
  background: skyblue;
}

#child {
  position: absolute;
  right: 0;
}

External CSS

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External JavaScript

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