Add a HTML Widget and place this into the Content:
<div class="container">
<div class="sliding-background"></div>
</div>
Then in Custom CSS for the HTM Widget add: (make sure that you modify the URL for the Image)
.container {
overflow: hidden;
display: flex;
}
.sliding-background {
background: url("https://URL-for-image.jpg") repeat-x;
}
@keyframes slide {
0% {
transform: translate3d(0, 0, 0);
}
100% {
transform: translate3d(-500px, 0, 0);
}
}
.container div {
height: 520px;
min-width: 3000px;
animation: slide 25s linear infinite;
}