即可看到效果。" />
#loading { display: inline-block; width: 50px; height: 50px; border: 3px solid rgba(255,255,255,.3); border-radius: 50%; border-top-color: #fff; animation: spin 1s ease-in-out infinite; -webkit-animation: spin 1s ease-in-out infinite; } @keyframes spin { to { -webkit-transform: rotate(360deg); } } @-webkit-keyframes spin { to { -webkit-transform: rotate(360deg); } }