.arrow {
  position: absolute;
  /* top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); */
  transform: rotate(90deg);
  cursor: pointer;
}

.arrow span {
  display: block;
  /* width: 1.5vw;
    height: 1.5vw; */
  width: 30px;
  height: 30px;
  border-bottom: 5px solid black;
  border-right: 5px solid black;
  transform: rotate(45deg);
  margin: -10px;
  animation: animate 2s infinite;
}

.shares {
  cursor: pointer;
  transition: all 1s;
}

.shares:hover {
  color: #900000;
}

.arrow span:nth-child(2) {
  animation-delay: -0.2s;
}

.arrow span:nth-child(3) {
  animation-delay: -0.4s;
}

@keyframes animate {
  0% {
    opacity: 0;
    transform: rotate(45deg) translate(-20px, -20px);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: rotate(45deg) translate(20px, 20px);
  }
}

@media screen and (max-width: 700px) {
  .arrow span {
    width: 20px;
    height: 20px;
  }
}