Solar System animation - Pure CSS

1<div class="solar-syst">
2  <div class="sun"></div>
3  <div class="mercury"></div>
4  <div class="venus"></div>
5  <div class="earth"></div>
6  <div class="mars"></div>
7  <div class="jupiter"></div>
8  <div class="saturn"></div>
9  <div class="uranus"></div>
10  <div class="neptune"></div>
11  <div class="pluto"></div>
12  <div class="asteroids-belt"></div>
13</div>