<!DOCTYPE html>
<style>
.wrapper {
  width: 200px;
  border: 5px solid;
}

.wrapper > div {
  height: 100px;
}

.magenta {
  background: magenta;
}

.cyan {
  background: cyan;
}
</style>

<p>Test passes if you see a 200x200 box with top half cyan and bottom half magenta.</p>

<div class="wrapper">
    <div class="cyan"></div>
    <div class="magenta"></div>
</div>