.loop_wrap {
   display: flex;
   width: 100vw;

   overflow: hidden;
}
.loop_wrap img {

   height: 500px;
}
@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 200s -100s linear infinite;
   animation-play-state:running;
}
.loop_wrap img:last-child {
   animation: loop2 200s linear infinite;
   animation-play-state:running;
}