这篇文章给大家分享的是有关css如何制作收缩圆环旋转效果的内容。小编觉得挺实用的，因此分享给大家做个参考，一起跟随小编过来看看吧。
效果如下所示：
收缩旋转圆环
css代码：
<style>body { background: #372940;}.demo { position: relative; margin: 120px auto; width: 150px;}.loader { position: absolute; opacity: .7;}.loader circle { -webkit-animation: draw 4s infinite ease-in-out; animation: draw 4s infinite ease-in-out; -webkit-transform-origin: center; transform-origin: center; -webkit-transform: rotate(-90deg); transform: rotate(-90deg);}.loader-2 circle,.loader-6 circle { -webkit-animation-delay: 1s; animation-delay: 1s;}.loader-7 circle { -webkit-animation-delay: 2s; animation-delay: 2s;}.loader-4 circle,.loader-8 circle { -webkit-animation-delay: 3s; animation-delay: 3s;}.loader-3 { left: -150px; -webkit-transform: rotateY(180deg); transform: rotateY(180deg);}.loader-6,.loader-7,.loader-8 { left: -150px; -webkit-transform: rotateX(180deg) rotateY(180deg); transform: rotateX(180deg) rotateY(180deg);}.loader-5 circle { opacity: .2;}@-webkit-keyframes draw { 50% { stroke-dashoffset: 0; -webkit-transform: scale(0.5); transform: scale(0.5); }}@keyframes draw { 50% { stroke-dashoffset: 0; -webkit-transform: scale(0.5); transform: scale(0.5); }} </style>代码：
<div class="demo"> <svg class="loader"> <filter id="blur"> <fegaussianblur in="SourceGraphic" stddeviation="2"></fegaussianblur> </filter> <circle cx="75" cy="75" r="60" fill="transparent" stroke="#F4F519" stroke-width="6" stroke-linecap="round" stroke-dasharray="385" stroke-dashoffset="385" filter="url(#blur)"></circle> </svg> <svg class="loader loader-2"> <circle cx="75" cy="75" r="60" fill="transparent" stroke="#DE2FFF" stroke-width="6" stroke-linecap="round" stroke-dasharray="385" stroke-dashoffset="385" filter="url(#blur)"></circle> </svg> <svg class="loader loader-3"> <circle cx="75" cy="75" r="60" fill="transparent" stroke="#FF5932" stroke-width="6" stroke-linecap="round" stroke-dasharray="385" stroke-dashoffset="385" filter="url(#blur)"></circle> </svg> <svg class="loader loader-4"> <circle cx="75" cy="75" r="60" fill="transparent" stroke="#E97E42" stroke-width="6" stroke-linecap="round" stroke-dasharray="385" stroke-dashoffset="385" filter="url(#blur)"></circle> </svg> <svg class="loader loader-5"> <circle cx="75" cy="75" r="60" fill="transparent" stroke="white" stroke-width="6" stroke-linecap="round" filter="url(#blur)"></circle> </svg> <svg class="loader loader-6"> <circle cx="75" cy="75" r="60" fill="transparent" stroke="#00DCA3" stroke-width="6" stroke-linecap="round" stroke-dasharray="385" stroke-dashoffset="385" filter="url(#blur)"></circle> </svg> <svg class="loader loader-7"> <circle cx="75" cy="75" r="60" fill="transparent" stroke="purple" stroke-width="6" stroke-linecap="round" stroke-dasharray="385" stroke-dashoffset="385" filter="url(#blur)"></circle> </svg> <svg class="loader loader-8"> <circle cx="75" cy="75" r="60" fill="transparent" stroke="#AAEA33" stroke-width="6" stroke-linecap="round" stroke-dasharray="385" stroke-dashoffset="385" filter="url(#blur)"></circle> </svg></div>感谢各位的阅读！关于“css如何制作收缩圆环旋转效果”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，让大家可以学到更多知识，如果觉得文章不错，可以把它分享出去让更多的人看到吧！
