5 <style type=
"text/css" media=
"screen">
11 background-color: blue;
15 -webkit-animation: slow
2s infinite linear alternate;
19 -webkit-animation: fast
2s infinite linear alternate;
22 @-webkit-keyframes slow {
31 @-webkit-keyframes fast {
33 transform: translateX(
0);
36 transform: translateX(
400px);
42 <p>The lower box should animate more smoothly than the upper one (on Mac).
</p>
43 <div class=
"box slow"></div>
44 <div class=
"box fast"></div>