#header {
background-repeat: repeat;
-webkit-animation: banner 300s infinite linear;
animation: banner 300s infinite linear;
 }

@-webkit-keyframes banner {
from { background-position: 0 0px; }
to { background-position: -5402px 500px; }
}
@keyframes banner {
from { background-position: 0 0px; }
to { background-position: -5402px 0px; }
}