 the clamp point. In this case, the containing block contains the clamp point, so the abspos gets painted, even if its static position is after the clamp point.">
<style>
.clamp {
  line-clamp: 4;
  font: 16px / 32px serif;
  padding: 0 4px;
  white-space: pre;
  background-color: yellow;
}
.rel {
  position: relative;
}
.abspos {
  position: absolute;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  background-color: skyblue;
}
</style>
<div class="clamp">Line 1
Line 2
Line 3
<div class="rel">Line 4
L