@keyframes metallicShine{0%{opacity:0;transform:translate(-100%)skew(-25deg)}50%{opacity:.3}to{opacity:0;transform:translate(100%)skew(-25deg)}}.shiny-overlay{background:linear-gradient(120deg,#ffffff4d 0%,#fff0 80%);animation:3s infinite metallicShine;transform:skew(-25deg)}