.shiny-upload:before{content:"";top:-75%;width:25%;height:600px;background:linear-gradient(20deg,hsla(0,0%,100%,0),hsla(0,0%,100%,.6) 50%,hsla(0,0%,100%,0));z-index:2;transform:rotate(45deg);animation:shine-sweep 2.5s infinite}.shiny-glow-bg,.shiny-upload:before{position:absolute;left:-75%;pointer-events:none}.shiny-glow-bg{top:0;width:50%;height:100%;background:linear-gradient(120deg,hsla(0,0%,100%,0),hsla(0,0%,100%,.6) 50%,hsla(0,0%,100%,0));z-index:0;animation:shine-sweep 2.5s infinite,shine-rotate 2.5s infinite}@keyframes shine-sweep{0%{left:-75%}to{left:125%}}