.loader{width:24px;height:24px;border:5px
solid #3b3b3b;border-bottom-color:transparent;border-radius:50%;display:inline-block;box-sizing:border-box;animation:rotation 1s linear infinite}@keyframes
rotation{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}.fadeIn{animation-name:fadeIn}