不同的项目中对于等待加载时转圈圈的样式是不同的，有的是传统的转圈的gif图片，见得比较多的是将转圈圈的换成了可爱的图标。有时候项目中加入等待加载的图片会很违和，不符合美观，所以需要用CSS做一个。下面是一个纯CSS实现转圈样式的例子。
转圈.gif
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<style>
.load-container {
background-color: #F1F1EA;
width: auto;
height: 700px;
position: relative;
overflow: hidden;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
.loader {
font-size: 10px;
margin: 100px auto;
margin-top: 300px;
width: 1em;
height: 1em;
border-radius: 50%;
text-indent: -9999em;
position: relative;
animation: mymove 1.3s infinite linear;
-webkit-animation: mymove 1.5s infinite linear;
-webkit-transform: translateZ(0);
-ms-transform: translateZ(0);
transform: translateZ(0);
}
@keyframes mymove {
0%,
100% {
box-shadow: 0 -3em 0 0.2em #46A4C9, 2em -2em 0 0em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0 0 -1em #46A4C9, -2em -2em 0 0 #46A4C9;
}
12.5% {
box-shadow: 0 -3em 0 0 #46A4C9, 2em -2em 0 0.2em #46A4C9, 3em 0 0 0 #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
}
25% {
box-shadow: 0 -3em 0 -0.5em #46A4C9, 2em -2em 0 0 #46A4C9, 3em 0 0 0.2em #46A4C9, 2em 2em 0 0 #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
}
37.5% {
box-shadow: 0 -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0em 0 0 #46A4C9, 2em 2em 0 0.2em #46A4C9, 0 3em 0 0em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0em 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
}
50% {
box-shadow: 0 -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 0em #46A4C9, 0 3em 0 0.2em #46A4C9, -2em 2em 0 0 #46A4C9, -3em 0em 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
}
62.5% {
box-shadow: 0 -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 0 #46A4C9, -2em 2em 0 0.2em #46A4C9, -3em 0 0 0 #46A4C9, -2em -2em 0 -1em #46A4C9;
}
75% {
box-shadow: 0em -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0em 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 0 #46A4C9, -3em 0em 0 0.2em #46A4C9, -2em -2em 0 0 #46A4C9;
}
87.5% {
box-shadow: 0em -3em 0 0 #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 0 #46A4C9, -3em 0em 0 0 #46A4C9, -2em -2em 0 0.2em #46A4C9;
}
}
@-webkit-keyframes mymove
/*Safari and Chrome*/
{
0%,
100% {
box-shadow: 0 -3em 0 0.2em #46A4C9, 2em -2em 0 0em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0 0 -1em #46A4C9, -2em -2em 0 0 #46A4C9;
}
12.5% {
box-shadow: 0 -3em 0 0 #46A4C9, 2em -2em 0 0.2em #46A4C9, 3em 0 0 0 #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
}
25% {
box-shadow: 0 -3em 0 -0.5em #46A4C9, 2em -2em 0 0 #46A4C9, 3em 0 0 0.2em #46A4C9, 2em 2em 0 0 #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
}
37.5% {
box-shadow: 0 -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0em 0 0 #46A4C9, 2em 2em 0 0.2em #46A4C9, 0 3em 0 0em #46A4C9, -2em 2em 0 -1em #46A4C9, -3em 0em 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
}
50% {
box-shadow: 0 -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 0em #46A4C9, 0 3em 0 0.2em #46A4C9, -2em 2em 0 0 #46A4C9, -3em 0em 0 -1em #46A4C9, -2em -2em 0 -1em #46A4C9;
}
62.5% {
box-shadow: 0 -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 0 #46A4C9, -2em 2em 0 0.2em #46A4C9, -3em 0 0 0 #46A4C9, -2em -2em 0 -1em #46A4C9;
}
75% {
box-shadow: 0em -3em 0 -1em #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0em 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 0 #46A4C9, -3em 0em 0 0.2em #46A4C9, -2em -2em 0 0 #46A4C9;
}
87.5% {
box-shadow: 0em -3em 0 0 #46A4C9, 2em -2em 0 -1em #46A4C9, 3em 0 0 -1em #46A4C9, 2em 2em 0 -1em #46A4C9, 0 3em 0 -1em #46A4C9, -2em 2em 0 0 #46A4C9, -3em 0em 0 0 #46A4C9, -2em -2em 0 0.2em #46A4C9;
}
}
</style>
<body>
<div class='load-container'>
<div class='loader'></div>
</div>
</body>
</html>
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