body  {
  background-image: url("../img/background-image.png");
  background-color: #00F;
}
.marquee {
      white-space: nowrap;
      overflow: hidden;
      position: relative;
    }
.marquee span {
  display: inline-block;
  animation: marquee 30s linear infinite;
}
@keyframes marquee {
  from {
	transform: translateX(100%);
  }
  to {
	transform: translateX(-100%);
  }
}