新增第134个小实例:简单又别致的环形加载动画
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130. HTML5+CSS3小实例:传送带式的loading加载动画
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131. HTML5+CSS3小实例:纯CSS实现打字动画特效
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132. HTML5+CSS3+JS小实例:上下滚动的数字时钟
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133. HTML5+CSS3+JS小实例:带标题描述的圆角图片手风琴效果
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133. HTML5+CSS3+JS小实例:带标题描述的圆角图片手风琴效果
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134. HTML5+CSS3小实例:简单又别致的环形加载动画
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*{
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margin: 0;
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padding: 0;
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}
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body{
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/* 100%窗口高度 */
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height: 100vh;
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/* 弹性布局 水平+垂直居中 */
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display: flex;
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justify-content: center;
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align-items: center;
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/* 渐变背景 */
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background: linear-gradient(15deg,#13547a,#80d0c7);
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}
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.loader{
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width: 200px;
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height: 200px;
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/* 相对定位 */
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position: relative;
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}
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.loader div{
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border-width: 5px;
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border-style: solid;
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border-left-color: #fff;
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border-right-color: #fff;
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border-top-color: transparent;
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border-bottom-color: transparent;
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border-radius: 50%;
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/* 绝对定位 */
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position: absolute;
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/* 执行动画:动画名 时长 慢速开始然后变快然后慢速结束 无限次播放 */
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animation: spin 2s ease infinite;
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}
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/* 为每一个圆环设置大小、定位、动画延迟时间 */
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.loader div:nth-child(1){
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width: 50px;
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height: 50px;
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left: 70px;
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top: 70px;
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}
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.loader div:nth-child(2){
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width: 70px;
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height: 70px;
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left: 60px;
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top: 60px;
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/* 动画延迟时间 */
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animation-delay: 0.1s;
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}
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.loader div:nth-child(3){
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width: 90px;
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height: 90px;
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left: 50px;
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top: 50px;
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animation-delay: 0.2s;
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}
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.loader div:nth-child(4){
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width: 110px;
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height: 110px;
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left: 40px;
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top: 40px;
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animation-delay: 0.3s;
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}
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/* 定义动画 */
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@keyframes spin {
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50%{
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transform: rotate(180deg);
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}
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100%{
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transform: rotate(0);
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}
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}
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=utf-8">
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<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
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<title>简单又别致的环形加载动画</title>
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<link rel="stylesheet" href="134.css">
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</head>
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<body>
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<div class="loader">
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<div></div>
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<div></div>
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<div></div>
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<div></div>
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</div>
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</body>
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</html>
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