body {
  background-color: #1a1a1a;
  background-image: 
    linear-gradient(rgba(0, 150, 0, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 150, 0, 0.1) 1px, transparent 1px),
    radial-gradient(circle, rgba(0, 255, 0, 0.1) 2px, transparent 2px);
  background-size: 30px 30px, 30px 30px, 90px 90px;
  background-position: center;
}

.imagenLuna{
  width: 50%;
  display: flex;
  right: 50%;
}