Space

Space

by Dru Dro

HTML

<div class="space-body sun"></div>
<div class="space-body earth"></div>

CSS

html, body {
  position:relative;
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
body {
  background-color: #000;
  background-image: url(http://www.gimpusers.com/system/tutorial_steps/839/13-original.png);
  overflow: hidden;
}
.space-body {
  position:absolute;
  width:100px;
  height: 100px;
  margin-top: -25px; 
  margin-left: -25px;
  left: 50%;
  top: 50%;
  border-radius: 100%;
  z-index: 0;
}
.space-body.earth {
  width:50px;
  height: 50px;
  background: url(https://upload.wikimedia.org/wikipedia/commons/6/6b/Planet_Terrestrial_Earth_Animated.gif) no-repeat center;
  animation: anim 120s linear infinite;
}
.space-body.sun {
  background: url(https://media.giphy.com/media/x7plV6bC5IWOc/giphy.gif) no-repeat center;
  background-size: 130px;
  animation: none;
  box-shadow: -10px 10px 250px 0 rgba(255,255,250,1),0 0 50px 0 rgba(0,0,0,.1) inset,50px -50px 50px 0 rgba(255,255,200,.3) inset;
}
@keyframes anim {
  0% {transform: translateX(0) scale(.1); z-index: -1}
  12.5% {transform: translateX(-200px)  scale(.5)}
  25% {transform: translateX(-400px)  scale(1)}
  37.5% {transform: translateX(-200px)  scale(3)}
  50% {transform: translateX(0) scale(4); z-index: 1;}
  62.5% {transform: translateX(200px)  scale(3)}
  75% {transform: translateX(400px) scale(1)}
  87.5% {transform: translateX(200px)  scale(.5)}
  100% {transform: translateX(0) scale(.1); z-index: -1}
}