style
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
body {
  background-color: #3991f5;
}
.container {
  width: 85vmin;
  position: absolute;
  transform: translate(-50%, -50%);
  top: 50%;
  left: 50%;
  overflow: hidden;
  border: 20px solid #ffffff;
  border-radius: 8px;
  box-shadow: 10px 25px 30px rgba(30, 30, 200, 0.3);
}
.wrapper {
  width: 100%;
  display: flex;
  animation: slide 12s infinite;
}
img {
  width: 100%;
}
@keyframes slide {
  0% {
    transform: translateX(0);
  }
  33% {
    transform: translateX(0);
  }
  38% {
    transform: translateX(-100%);
  }
  66% {
    transform: translateX(-100%);
  }
  71% {
    transform: translateX(-200%);
  }
  100% {
    transform: translateX(-200%);
  }
}