@-webkit-keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    -webkit-transform: translateX(0);
    transform: translateX(0);
  }
  40% {
    -webkit-transform: translateX(10px);
    transform: translateX(10px);
  }
  60% {
    -webkit-transform: translateX(-4px);
    transform: translateX(-4px);
  }
}
@-moz-keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(0);
  }
  40% {
    transform: translateX(10px);
  }
  60% {
    transform: translateX(-4px);
  }
}
@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    -ms-transform: translateX(0);
    transform: translateX(0);
  }
  40% {
    -ms-transform: translateX(10px);
    transform: translateX(10px);
  }
  60% {
    -ms-transform: translateX(-4px);
    transform: translateX(-4px);
  }
}