*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background-color:#f5f5f5;color:#333}a{color:#007bff;text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer}@keyframes slnSpin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.sln-spin{animation:slnSpin .9s linear infinite;transform-origin:50% 50%}.loader{width:48px;height:48px;border-radius:50%;display:inline-block;border-top:3px solid;border-right:3px solid transparent;box-sizing:border-box;animation:rotation 1s linear infinite}.loader--sm{width:16px;height:16px;border-top-width:2px;border-right-width:2px}@keyframes rotation{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}