效果预览:
http://hovertree.com/texiao/css3/42/

代码如下:

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>css3旋转加载效果_何问起</title> <style>
body {
background: #263238;
background-size: cover;
margin: 0;
padding-top: 5em;
padding-bottom: 5em;
} .container {
display: flex;
flex-wrap: wrap;
height:;
justify-content: space-around;
margin: 0 auto;
max-width: 650px;
min-width: 200px;
} .canvas {
align-items: center;
background: #eeeeee;
border-radius: 50%;
box-shadow: 0 5px 20px rgba(0,0,0,0.2);
display: flex;
height: 10em;
justify-content: center;
margin: 1em 1em 2em 1em;
width: 10em;
} /* Spinner 1 starts here */
.spinner1 {
align-items: center;
border: .3em solid transparent;
border-top: .3em solid #4DB6AC;
border-right: .3em solid #4DB6AC;
border-radius: 100%;
display: flex;
justify-content: center;
} .spinnerMax {
animation: spinnerOne 3s linear infinite;
height: 3em;
width: 3em;
} .spinnerMid {
animation: spinnerOne 5s linear infinite;
height: 2.4em;
width: 2.4em;
} .spinnerMin {
animation: spinnerOne 5s linear infinite;
height: 1.8em;
width: 1.8em;
} @keyframes spinnerOne {
0% {
transform: rotate(0deg)
}
100% {
transform: rotate(360deg)
}
}
/* Spinner 1 ends here */ /* Spinner 2 starts here */
.canvas2 {
position: relative;
} .spinner2 {
animation: spinnerTwo 1s linear infinite;
background: #4DB6AC;
border-radius: 100px;
height: 3em;
transform-origin: top;
position: absolute;
top: 50%;
width: .22em;
} .hourHand {
animation: spinnerTwo 7s linear infinite;
background: #4DB6AC;
border-radius: 100px;
height: 2em;
transform-origin: top;
position: absolute;
top: 50%;
width: .2em;
} .dot {
background: #4DB6AC;
border-radius: 100%;
height: .5em;
width: .5em;
} @keyframes spinnerTwo {
0% {
transform: rotate(0deg)
}
100% {
transform: rotate(360deg)
}
}
/* Spinner 2 ends here */ /* Spinner 3 starts here */
.spinner3 {
animation: spinnerThree 1s linear infinite;
background: #4DB6AC;
border-radius: 100%;
width: 3em;
height: 3em;
} @keyframes spinnerThree {
0%, 35% {
background: #4DB6AC;
transform: scale(1);
}
20%, 50% {
background: #80CBC4;
transform: scale(1.3);
}
}
/* Spinner 3 ends here */ /* Spinner 4 starts here */
.spinner4 {
animation: spinnerFour 1s linear infinite;
border: solid 7px transparent;
border-top: solid 7px #4DB6AC;
border-radius: 100%;
width: 3em;
height: 3em;
} @keyframes spinnerFour {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
/* Spinner 4 ends here */ /* Spinner 5 starts here */
.spinner5 {
animation: spinnerFive 1s linear infinite;
border: solid 1.5em #4DB6AC;
border-right: solid 1.5em transparent;
border-left: solid 1.5em transparent;
border-radius: 100%;
width: 0;
height: 0;
} @keyframes spinnerFive {
0% {
transform: rotate(0deg);
}
50% {
transform: rotate(60deg)
}
100% {
transform: rotate(360deg);
}
}
/* Spinner 5 ends here */ /* Spinner 6 starts here */
.spinner6 {
background: #4DB6AC;
border-radius: 50%;
height: 1em;
margin: .1em;
width: 1em;
} .p1 {
animation: fall 1s linear .3s infinite;
} .p2 {
animation: fall 1s linear .2s infinite;
} .p3 {
animation: fall 1s linear .1s infinite;
} .p4 {
animation: fall 1s linear infinite;
} @keyframes fall {
0% {
transform: translateY(-15px);
}
25%, 75% {
transform: translateY(0);
}
100% {
transform: translateY(-15px);
}
}
/* Spinner 6 ends here */ @media (max-width: 600px) {
.container {
align-items: center;
flex-direction: column;
}
.canvas {
margin: 1em;
}
}
</style> </head>
<body>
<div class="container"> <div class="canvas canvas1">
<div class="spinner1 spinnerMax">
<div class="spinner1 spinnerMid">
<div class="spinner1 spinnerMin"></div>
</div>
</div>
</div> <div class="canvas canvas2">
<div class="spinner2"></div>
<div class="hourHand"></div>
<div class="dot"></div>
</div> <div class="canvas canvas3">
<div class="spinner3"></div>
</div> <div class="canvas canvas4">
<div class="spinner4"></div>
</div> <div class="canvas canvas5">
<div class="spinner5"></div>
</div> <div class="canvas canvas6">
<div class="spinner6 p1"></div>
<div class="spinner6 p2"></div>
<div class="spinner6 p3"></div>
<div class="spinner6 p4"></div>
</div> </div> <div style="text-align:center;margin:50px 0; font:normal 14px/24px 'MicroSoft YaHei';color:#ffffff">
<p>适用浏览器:FireFox、Chrome、Opera、Edge、傲游、搜狗、世界之窗. 不支持IE8及以下浏览器。</p>
<p>来源:<a href="http://hovertree.com/" target="_blank">何问起</a> <a href="http://hovertree.com/h/bjag/1afxdrm7.htm" target="_blank">查看代码</a></p>
</div>
</body>
</html>

特效汇总:http://www.cnblogs.com/jihua/p/webfront.html

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