🪄 linear-gradient Background Animation Generator

background: linear-gradient(to right , #183048 , #4c637a);
background-size: 400% 400%;
animation: changeBG 4s infinite;
@keyframes changeBG {
    0% {
        background-position: 0 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}