@keyframes rotateAtom {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

#atom {
  transform-origin: center center;
  animation: rotateAtom 60s linear infinite;
}

.imgbranding-color {
  opacity: 0.4;
  height: 57px;
  margin: 12px;
}

.imgbranding-color {
  opacity: 1;
  height: 57px;
  margin: 12px;
}

.imgbranding {
  opacity: 0.4;
  height: 57px;
  margin: 12px;
}