body{margin:0;padding:0;background:#f5f5f5;display:flex;justify-content:center;align-items:center;height:100vh;overflow:hidden;}.loading-container{position:relative;width:100px;height:100px;}.orbit{position:absolute;top:0;left:0;width:100%;height:100%;border:8px solid transparent;animation:spin 2s linear infinite;}.black{z-index:-2;animation-duration:2s;opacity:1;}.gray{z-index:-3;animation-duration:1.5s;opacity:0.8;}.light-gray{z-index:-4;animation-duration:1s;opacity:0.6;}@keyframes spin{0%{transform:rotate(0deg);}100%{transform:rotate(360deg);}}