@keyframes shimmer{to{transform:translate(100%)}}.shimmer-bg{position:relative;overflow:hidden;background-color:#e9ecef}.shimmer-bg:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;transform:translate(-100%);background-image:linear-gradient(90deg,#fff0 0,#fff6,#fff0);animation:shimmer 1.8s infinite}