Blitz - WPT: anchor-size-function-chain-pseudo-elements.html

wpt / css / css-anchor-position / anchor-size-function-chain-pseudo-elements.html

/css/css-anchor-position/anchor-size-function-chain-pseudo-elements.html

<!DOCTYPE html>

<title>Tests that chain of elements that anchor to each other using anchor-size() works.</title>

<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#anchor-size-fn">
<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#determining">
<link rel="author" title="Kiet Ho" href="mailto:kiet.ho@apple.com">
<link rel="match" href="anchor-size-function-chain-pseudo-elements-ref.html">

<style>
  .containing-block {
    border: 1px solid black;

    position: relative;
    width: 500px;
    height: 200px;
  }

  .box-before::before, .box-after::after {
    /* Can only use anchor-size() with position: absolute */
    position: absolute;
    anchor-name: --box;
    width: calc(anchor-size(--box width) + 10px);
    height: calc(anchor-size(--box height) + 20px);

    background-color: green;
    content: "";
  }

  #box1::before, #box1::after {
    width: 50px;
    height: 60px;
  }

  #box2::before, #box2::after { left: 60px; }
  #box3::before, #box3::after { left: 130px; }
  #box4::before, #box4::after { left: 210px; }
  #box5::before, #box5::after { left: 300px; }
</style>

<p>You should see a row of five rectangles growing in size.</p>

<div class="containing-block">
  <!--
    The increasing size is to check that the boxes are anchoring to each other
    in the correct order i.e box2 chains to box1, box3 chains to box2, ...
  -->
  <div class="box-after" id="box1"></div>
  <div class="box-before" id="box2"></div>
  <div class="box-before" id="box3"></div>
  <div class="box-after" id="box4"></div>
  <div class="box-before" id="box5"></div>
</div>

/css/css-anchor-position/anchor-size-function-chain-pseudo-elements-ref.html

<!DOCTYPE html>
<style>
  .containing-block {
    border: 1px solid black;

    position: relative;
    width: 500px;
    height: 200px;
  }

  .box-before::before, .box-after::after {
    position: absolute;
    background-color: green;
    content: "";
  }

  #box1::before, #box1::after {
    width: 50px;
    height: 60px;
  }

  #box2::before, #box2::after {
    left: 60px;
    width: 60px;
    height: 80px;
  }

  #box3::before, #box3::after {
    left: 130px;
    width: 70px;
    height: 100px;
  }

  #box4::before, #box4::after {
    left: 210px;
    width: 80px;
    height: 120px;
  }

  #box5::before, #box5::after {
    left: 300px;
    width: 90px;
    height: 140px;
  }
</style>

<p>You should see a row of five rectangles growing in size.</p>

<div class="containing-block">
  <div class="box-after" id="box1"></div>
  <div class="box-before" id="box2"></div>
  <div class="box-before" id="box3"></div>
  <div class="box-after" id="box4"></div>
  <div class="box-before" id="box5"></div>
</div>