#header-container{background:linear-gradient(45deg,#e0db80,#e57737) 0 0/150% 150%;flex-direction:column;justify-content:center;align-items:center;animation:3s ease-in-out infinite alternate header-background;display:flex}@keyframes header-background{0%{background-position:10% 10%}to{background-position:90% 90%}}