Css3 realizes seamless scrolling and anti-shake

.donghua.active{
  animation: scoll ease-in-out 1s infinite alternate;
  -webkit-animation: scoll ease-in-out 1s infinite alternate;
}
@keyframes scoll {
  from {
    left: 0;
  }
  to {
    left: -353px;
  }
}
-webkit-@keyframes scoll {
  from {
    left: 0;
  }
  to {
    left: -353px;
  }
}

.donghua.active{
  animation: scoll ease-in-out 1s infinite alternate;
  -webkit-animation: scoll ease-in-out 1s infinite alternate;
}
@keyframes scoll {
  0% {
    transform: translate(0px, 0px);
  }

  100% {
    transform: translate(0px, -353px);
  }
}
@-webkit-keyframes scoll {
  0% {
    transform: translate(0px, 0px);
  }

  100% {
    transform: translate(0px, -353px);
  }
}