.loader{width:5rem;height:5rem;border:5px solid #000;border-top-color:rgba(0,0,0,0);border-radius:50%;margin:2rem auto;animation:spin 1.5s linear infinite;opacity:.8}@media screen and (min-width:768px){.loader{width:7.5rem;height:7.5rem}}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}