Blitz - WPT: anchor-position-multicol-002.html

wpt / css / css-anchor-position / anchor-position-multicol-002.html

/css/css-anchor-position/anchor-position-multicol-002.html

<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-anchor-1/#propdef-anchor-name">
<link rel="help" href="https://drafts.csswg.org/css-anchor-1/#anchor-pos">
<link rel="help" href="https://drafts.csswg.org/css-anchor-1/#anchor-size">
<link rel="author" href="mailto:kojii@chromium.org">
<link rel="author" href="mailto:mstensho@chromium.org">
<link rel="match" href="anchor-position-multicol-002-ref.html">
<style>
.cb {
  transform: translate(0);  /* Make it a containing block. */
  border: solid transparent;
  border-width: 5px 6px 7px 8px;
  padding: 5px 6px 7px 8px;
}
.columns {
  columns: 3;
  column-fill: auto;
  column-gap: 10px;
  width: 320px;
  height: 100px;
}
.anchor1 {
  anchor-name: --a1;
  margin-left: 10px;
  width: 50px;
  height: 90px;
  background: yellow;
}
.target {
  position: absolute;
}
.target.fixed {
  position: fixed;
}
.all {
  left: anchor(--a1 left);
  top: anchor(--a1 top);
  width: anchor-size(--a1 width);
  height: anchor-size(--a1 height);
}
.rb {
  right: anchor(--a1 right);
  bottom: anchor(--a1 bottom);
  width: 10px;
  height: 10px;
}
.target::before {
  position: absolute;
  content: "";
  background: green;
}
.target.inner.all::before {
  width: 100%;
  height: 50%;
}
.target.inner.all.part2::before {
  top: 50%;
}
/* Mark the .rb area red again. */
.target.inner.all.part2::after {
  position: absolute;
  content: "";
  right: 0;
  bottom: 0;
  width: 10px;
  height: 10px;
  background: red;
}
.target.inner.rb::before {
  width: 50%;
  height: 100%;
}
.target.inner.rb.part2::before {
  left: 50%;
}
.target.outer::before {
  left: 50px;
  right: 50px;
  height: 25%;
}
.target.outer.part2::before {
  top: 25%;
}
.target.outer.part3::before {
  top: 50%;
}
.target.outer.part4::before {
  top: 75%;
}
</style>
<p>There should be a green rectangle below, no red.</p>
<div class="cb outer">
  <div style="position:absolute; z-index:-1; left:144px; width:160px; height:100px; background:red;"></div>
  <div class="columns">
    <div style="height:30px;"></div>
    <div class="cb inner">
      <!-- This spacer fills up to the middle of the 2nd column. -->
      <div style="height:60px;"></div>
      <div style="margin-left:10px; width:50px; height:70px; background:green;"></div>
      <div class="anchor1"></div>
      <div style="margin-right:12px; height:40px; background:green;"></div>
      <div style="height:60px;"></div>

      <!-- The containing block of querying elements is block-fragmented. -->
      <div class="target all inner part1"></div>
      <div class="target all fixed inner part2"></div>
      <div class="target rb inner part1"></div>
      <div class="target rb fixed inner part2"></div>
    </div>

    <!-- The containing block of querying elements is a multi-column, i.e. not fragmented.  -->
    <div class="target all outer part1"></div>
    <div class="target all fixed outer part2"></div>
    <div class="target rb outer part1"></div>
    <div class="target rb fixed outer part2"></div>
  </div>

  <!-- The containing block of querying elements is not fragmented.  -->
  <div class="target all outer part3"></div>
  <div class="target all fixed outer part4"></div>
  <div class="target rb outer part3"></div>
  <div class="target rb fixed outer part4"></div>
</div>

/css/css-anchor-position/anchor-position-multicol-002-ref.html

<!DOCTYPE html>
<p>There should be a green rectangle below, no red.</p>
<div style="position:absolute; margin-left:152px; margin-top:10px; width:160px; height:100px; background:green;"></div>