.share-buttons {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}
@keyframes move {
  100% {
    transform: translate3d(0, 0, 1px) rotate(360deg);
  }
}

.ball_background {
  position: fixed;
  width: 100vw;
  height: 100vh;
  top: 0;
  left: 0;
  overflow: hidden;
}

.ball {
  position: absolute;
  width: 10vmin;
  height: 10vmin;
  border-radius: 50%;
  backface-visibility: hidden;
  animation: move linear infinite;
}

.ball:nth-child(odd) {
    color: #006D5B;
}

.ball:nth-child(even) {
    color: #FF6F61;
}

/* Using a custom attribute for variability */
.ball:nth-child(1) {
  top: 77%;
  left: 88%;
  animation-duration: 40s;
  animation-delay: -3s;
  transform-origin: 16vw -2vh;
  box-shadow: 40vmin 0 5.703076368487546vmin currentColor;
}
.ball:nth-child(2) {
  top: 42%;
  left: 2%;
  animation-duration: 53s;
  animation-delay: -29s;
  transform-origin: -19vw 21vh;
  box-shadow: -40vmin 0 5.17594621519026vmin currentColor;
}
.ball:nth-child(3) {
  top: 28%;
  left: 18%;
  animation-duration: 49s;
  animation-delay: -8s;
  transform-origin: -22vw 3vh;
  box-shadow: 40vmin 0 5.248179047256236vmin currentColor;
}
.ball:nth-child(4) {
  top: 50%;
  left: 79%;
  animation-duration: 26s;
  animation-delay: -21s;
  transform-origin: -17vw -6vh;
  box-shadow: 40vmin 0 5.279749632220298vmin currentColor;
}
.ball:nth-child(5) {
  top: 46%;
  left: 15%;
  animation-duration: 36s;
  animation-delay: -40s;
  transform-origin: 4vw 0vh;
  box-shadow: -40vmin 0 5.964309466052033vmin currentColor;
}
.ball:nth-child(6) {
  top: 77%;
  left: 16%;
  animation-duration: 31s;
  animation-delay: -10s;
  transform-origin: 18vw 4vh;
  box-shadow: 40vmin 0 5.178483653434181vmin currentColor;
}
.ball:nth-child(7) {
  top: 22%;
  left: 17%;
  animation-duration: 55s;
  animation-delay: -6s;
  transform-origin: 1vw -23vh;
  box-shadow: -40vmin 0 5.703026794398318vmin currentColor;
}
.ball:nth-child(8) {
  top: 41%;
  left: 47%;
  animation-duration: 43s;
  animation-delay: -28s;
  transform-origin: 25vw -3vh;
  box-shadow: 40vmin 0 5.196265905749415vmin currentColor;
}