.head_menu {animation: navbgmove 10s infinite alternate linear;background-size: 105% 105%;} @keyframes navbgmove{ 0% {background-position: left center;} 100% {background-position: right center;} } .proxilie li:hover .bg {transition-delay:340ms;} /*@media screen and (min-width: 1025px) { html {min-width: 1200px;} } */