tests/html/animation-timing-function-override-from-keyframes.html

<!doctype html>
<meta charset="utf-8">
<style>
  @keyframes foo {
    from { background: white; animation-timing-function: ease; }
    to { background: black; }
  }

  @keyframes bar {
    from { background: white }
    to { background: black }
  }

  div {
    height: 50px;
    width: 100px;
    animation: foo 1s infinite steps(4, end);
  }
  .bar { animation-name: bar }
</style>
<p>You should see an eased animation in the first-element, and a stepped one in the second one</p>
<div></div>
<div class="bar"></div>