.spinner{border:4px solid rgba(255,255,255,0.8);width:36px;height:36px;border-radius:50%;border-left-color:#103D7C;position:fixed;top:50%;left:50%;animation:spin 1s ease infinite;z-index:999;display:none}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}