<!DOCTYPE html>
<title>Tests that 'anchor-center' behaves as 'center' in non-OOF layout modes</title>

<style>
.container {
  width: 100px;
  height: 100px;
  background: orange;
  margin-block: 5px;
}

.item {
  width: 40px;
  height: 40px;
  background: lime;
}

.flex {
  display: flex;
}

.grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-auto-rows: 50px;
  grid-template-areas:
    "a a a a b b b b"
    "a a a a b b b b";
}
</style>

<div class="flex container" style="align-items: c