html,body{overflow:hidden}body{margin:0}.preloader{position:fixed;top:0;left:0;width:100%;height:100%;box-sizing:border-box;padding:15px;background:#000;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:10}.preloader-spinner{width:50px;height:50px;flex-shrink:0;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}.preloader-text{font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.25;font-weight:400;color:#fff;margin-top:20px}@keyframes spin{to{transform:rotate(360deg)}}