<div class="relative">Relative
  <div class="absolute">Absolute</div>
</div>
div {
  border: solid orange 2px;
  background-color: bisque;
}

.relative {
  width: 500px;
  height: 500px;

  position: relative;
  top: 10px;
  left: 20px;
}

.absolute {
  width: 180px;
  height: 100px;

  position: absolute;
  right: 20px;
  bottom: 20px;
}
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