* { padding:0; margin:0; box-sizing:border-box; -webkit-box-sizing:border-box; } .box { width:100%; height:100%; position:fixed; top:0; left:0; right:0; bottom:0; background-color:#fdfaf5; } .out-box { width:150px; height:150px; border-top:4px solid #e0787f; border-right:4px solid #e0787f; border-bottom:4px solid #f0f0f0; border-left:4px solid #f0f0f0; border-radius:100%; position:absolute; left:50%; top:50%; margin-left:-75px; margin-top:-75px; animation:2.5s ease-in-out 0s normal none infinite rotateTwo; -webkit-animation:2.5s ease-in-out 0s normal none infinite rotateTwo; } .inner-box { width:130px; height:130px; border-bottom:2px solid #99749d; border-top:2px solid #f0f0f0; border-right:2px solid #f0f0f0; border-left:2px solid #99749d; border-radius:100%; position:absolute; left:50%; top:50%; margin-left:-65px; margin-top:-65px; animation:2.5s linear 0s normal none infinite rotate; -webkit-animation:2.5s linear 0s normal none infinite rotate; } .text-box { width:120px; height:120px; position:absolute; left:50%; top:50%; margin-left:-60px; margin-top:-60px; color:#cccccc; font-size:24px; line-height:120px; text-align:center; animation:4s linear 0s normal none infinite flash; -webkit-animation:4s linear 0s normal none infinite flash; } @-webkit-keyframes rotate { from { -webkit-transform:rotate(0deg) } to { -webkit-transform:rotate(360deg) } }@keyframes rotate { from { transform:rotate(0deg) } to { transform:rotate(360deg) } }@-webkit-keyframes rotateTwo { from { -webkit-transform:rotate(0deg) } to { -webkit-transform:rotate(-360deg) } }@keyframes rotateTwo { from { transform:rotate(0deg) } to { transform:rotate(-360deg) } }@-webkit-keyframes flash { from,50%,to { opacity:1; } 25%,75% { opacity:0; } }@keyframes flash { from,50%,to { opacity:1; } 25%,75% { opacity:0; } }
简单实用的纯css3加载动画代码