Webleb - fragmentos de código

HTML

CSS

body {
  margin: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: black;
}
.container {
  font-size: 10px;
  width: 40em;
  height: 40em;
  position: relative;
}
.son {
  position: absolute;
  top: 15em;
  left: 15em;
  width: 100px;
  height: 100px;
  border-radius: 100px;
  background-color: yellow;
  box-shadow: 0 0 3em white;
}
.earth,
.moon {
  position: absolute;
  border-style: solid;
  border-color: white transparent transparent transparent;
  border-width: 0.1em 0.1em 0 0;
  border-radius: 50%;
}
.earth {
  top: 5em;
  left: 5em;
  width: 30em;
  height: 30em;
  animation: orbit 35.5 linear infinite;
}
.moon {
  top: 0;
  right: 0;
  width: 8em;
  height: 8em;
  animation: orbit 2.7s linear infinite;
}
.earth::before,
.moon::before {
  content: "";
  position: absolute;
  border-radius: 50%;
}
.earth::before {
  top: 2.8em;
  right: 0.2em;
  width: 1.2em;
  height: 1.2em;
  background-color: silver;
}
@keyframes orbit {
  to {
    transform: rotate(360deg);
  }
}

JS

espacio