#custom-loader{position:fixed;top:0;left:0;width:100vw;height:100vh;background:rgba(0,0,0,0.7);z-index:100000;display:none;align-items:center;justify-content:center}.spinner{width:50px;height:50px;border:4px solid transparent;border-top:4px solid;border-image:linear-gradient(90deg,#FF00B7 0%,#FE08B0 8%,#FD219F 22%,#FB4982 40%,#F8805A 60%,#F4C528 83%,#F2FF00 100%);border-image-slice:1;border-radius:50%;animation:spin 0.8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.modelViewerBlock #openBtn,.modelViewerBlock.b3dviewer #openBtn{display:none!important}