.loop_wrap {
  display: flex;
  width: 100vw;
  height: 160px;
  overflow: hidden;
}

.loop_wrap img {
  width: auto;
  height: 100%;
}
@keyframes loop {
  0% {
    transform: translateX(100%);
  }
  to {
    transform: translateX(-100%);
  }
}

@keyframes loop2 {
  0% {
    transform: translateX(0);
  }
  to {
    transform: translateX(-200%);
  }
}
.loop_wrap img:first-child {
  animation: loop 100s -50s linear infinite;
}

.loop_wrap img:last-child {
  animation: loop2 100s linear infinite;
}