body{font-family:Open Sans,serif}main{max-width:80%;margin:auto;background-color:#fff}.custom-spinner{border:8px solid rgba(0,0,0,.1);border-top:8px solid #3498db;border-radius:50%;width:80px;height:80px;animation:spin 1s linear infinite;margin:auto}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}