先来看效果：

这效果看起来挺炫，但原理并不复杂，能实现一片花瓣动起来，就能实现9片花瓣。效果的叠加而已。

HTML：

CSS：

View Code body {   background-color: #000;}      .demo {   margin:0px auto;   width: 500px;}/*莲花花瓣的容器*/.box {   position: relative;/*设置相对定位，因为花瓣都要进行绝对定位*/      height: 400px;   margin-top:400px}/*花瓣进行绝对定位*/.box .leaf {   position: absolute;}/*绘制莲花花瓣*/.leaf {   margin-top:0px;   width: 200px;   height: 200px;   border-radius: 200px 0px;/*制作花瓣角*/   background: -moz-linear-gradient(45deg,rgba(188,190,192,1) 8%,rgba(158,31,99,1) 30%,rgba(158,31,99,1) 100%);/*制作花瓣颜色*/        background: -webkit-linear-gradient(45deg,rgba(188,190,192,1) 8%,rgba(158,31,99,1) 30%,rgba(158,31,99,1) 100%);/*制作花瓣颜色*/   opacity: .6;   filter:alpha(opacity=50);   transform: rotate(135deg);/*花瓣旋转135deg*/   transform-origin:  top right;/*重置花瓣旋转原点，这个很重要*/}@keyframes show-2 {    0% {     transform: rotate(135deg);    }    50% {     transform: rotate(45deg);    }    100%{     transform: rotate(135deg);    }}@keyframes show-3 {    0% {     transform: rotate(135deg);    }    50% {     transform: rotate(65deg);    }    100%{     transform: rotate(135deg);    }}@keyframes show-4 {    0% {     transform: rotate(135deg);    }    50% {     transform: rotate(85deg);    }    100%{     transform: rotate(135deg);    }}@keyframes show-5 {    0% {     transform: rotate(135deg);    }    50% {     transform: rotate(105deg);    }    100%{     transform: rotate(135deg);    }}@keyframes show-6 {    0% {     transform: rotate(135deg);    }    50% {     transform: rotate(165deg);    }    100%{     transform: rotate(135deg);    }}@keyframes show-7 {    0% {     transform: rotate(135deg);    }    50% {     transform: rotate(185deg);    }    100%{     transform: rotate(135deg);    }}@keyframes show-8 {    0% {     transform: rotate(135deg);    }    50% {     transform: rotate(205deg);    }    100%{     transform: rotate(135deg);    }}  @keyframes show-9 {    0% {     transform: rotate(135deg);    }    50% {     transform: rotate(225deg);    }    100%{     transform: rotate(135deg);    }}  .leaf:nth-child(1) { background: -moz-linear-gradient(45deg,rgba(250,250,250,1) 8%,rgba(158,31,99,1) 30%,rgba(158,31,99,1) 100%);/*制作花瓣颜色*/}.leaf:nth-child(2) {  animation: show-2 6s ease-in-out infinite;}.leaf:nth-child(3) {  animation: show-3 6s ease-in-out infinite;}.leaf:nth-child(4) {  animation: show-4 6s ease-in-out infinite;}.leaf:nth-child(5) {  animation: show-5 6s ease-in-out infinite;}.leaf:nth-child(6) {  animation: show-6 6s ease-in-out infinite;}.leaf:nth-child(7) {  animation: show-7 6s ease-in-out infinite;}.leaf:nth-child(8) {  animation: show-8 6s ease-in-out infinite;}.leaf:nth-child(9) {  animation: show-9 6s ease-in-out infinite;}

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