#section05 {
  z-index: 2;
  color: white;
  text-align: center;
  position: absolute;
  bottom: -55px;
  width: 100%;
  max-width: 100%;
}

#section05 a:hover {
  opacity: .5;
}

#section05 a span {
  position: absolute;
  left: 50%;
  width: 29px;
  height: 29px;
  margin-left: -12px;
  border-left: 1px solid #fff;
  border-bottom: 1px solid #fff;
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
  -webkit-animation: sdb05 1.5s infinite;
  animation: sdb05 1.5s infinite;
  box-sizing: border-box;
}
@-webkit-keyframes sdb05 {
  0% {
    -webkit-transform: rotate(-45deg) translate(0, 0);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    -webkit-transform: rotate(-45deg) translate(-20px, 20px);
    opacity: 0;
  }
}
@keyframes sdb05 {
  0% {
    transform: rotate(-45deg) translate(0, 0);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: rotate(-45deg) translate(-20px, 20px);
    opacity: 0;
  }
}