ript>
<script src="support/test-common.js"></script>
<style>
.relpos {
  position: relative;
}
.columns {
  column-count: 2;
  column-fill: auto;
  column-gap: 10px;
  column-width: 100px;
  width: 210px;
  height: 100px;
}
.colspan {
  column-span: all;
}
.spacer {
  height: 10px;
  background: pink;
}
.anchor1 {
  anchor-name: --a1;
  margin-left: 10px;
  width: 40px;
  height: 20px;
  background: orange;
}
.target {
  position: absolute;
  position-anchor: --a1;
  left: anchor(left);
  top: anchor(top);
