.ktv.loading{display:flex;justify-content:center;height:calc(100% - 10rem);align-items:center;flex-direction:column}.ktv.loading span.loading-box{content:"";display:inline-block;width:3.2rem;height:3.2rem;border:1px solid black;border-radius:1px;margin:1rem;animation:boxspin 1.8s ease-in-out infinite}@keyframes boxspin{0%,15%{transform:rotate(0deg)}25%,40%{transform:rotate(90deg)}50%,65%{transform:rotate(180deg)}75%,90%{transform:rotate(270deg)}to{transform:rotate(1turn)}}