.spinner{width:48px;height:48px;border-radius:50%;border:4px solid #333;border-top-color:#fff;animation:spinner-rotate 1s linear infinite}@keyframes spinner-rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinner_container{display:flex;align-items:center;justify-content:center;width:100%;height:100%;flex:1 1 auto}