简单的环形
HTML代码
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
<title>简单又别致的环形加载动画</title>
<link rel="stylesheet" href="huanhuan.css">
</head>
<body>
<div class="loader">
<div></div>
<div></div>
<div></div>
<div></div>
</div>
</body>
</html>
CSS代码
*{
margin: 0;
padding: 0;
}
body{
/* 100%窗口高度 */
height: 100vh;
/* 弹性布局 水平+垂直居中 */
display: flex;
justify-content: center;
align-items: center;
/* 渐变背景 */
background: linear-gradient(15deg,#f7bfd1,#7efbf7);
}
.loader{
width: 200px;
height: 200px;
/* 相对定位 */
position: relative;
}
.loader div{
border-width: 2px;
/*border-style: solid;*/
border-style:dotted solid double dashed;
border-left-color: #f8c92b;
border-right-color: #ff964e;
border-top-color: transparent;
border-bottom-color: transparent;
border-radius: 70%;
/* 绝对定位 */
position: absolute;
/* 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 */
animation: spin 2s ease infinite;
}
/* 为每一个圆环设置大小、定位、动画延迟时间 */
.loader div:nth-child(1){
width: 50px;
height: 50px;
left: 70px;
top: 70px;
}
.loader div:nth-child(2){
width: 70px;
height: 70px;
left: 60px;
top: 60px;
/* 动画延迟时间 */
animation-delay: 1s;
}
.loader div:nth-child(3){
width: 90px;
height: 90px;
left: 50px;
top: 50px;
animation-delay:2s;
}
.loader div:nth-child(4){
width: 110px;
height: 110px;
left: 40px;
top: 40px;
animation-delay: 3s;
}
/* 定义动画 */
@keyframes spin {
50%{
transform: rotate(180deg);
}
100%{
transform: rotate(0);
}
}
