.anim-opacity2 {
  animation: 2s opacity2 0s infinite;
  -webkit-animation: 2s opacity2 0s infinite;
  -moz-animation: 2s opacity2 0s infinite;
  margin-right: 10px;
}

@keyframes opacity2 {
  0% {
    opacity: 0
  }
  50% {
    opacity: .8;
  }
  100% {
    opacity: 0;
  }
}

@-webkit-keyframes opacity2 {
  0% {
    opacity: 0
  }
  50% {
    opacity: .8;
  }
  100% {
    opacity: 0;
  }
}

@-moz-keyframes opacity2 {
  0% {
    opacity: 0
  }
  50% {
    opacity: .8;
  }
  100% {
    opacity: 0;
  }
}