.bg{animation:slide 3s ease-in-out infinite alternate;background-image:linear-gradient(-60deg,#2d86eb 50%,#1565c0 50%);inset:0 -50%;opacity:.9;position:fixed;z-index:-1}.bg2{animation-direction:alternate-reverse;animation-duration:4s}.bg3{animation-duration:5s}@keyframes slide{0%{transform:translate(-25%)}to{transform:translate(25%)}}