Spinning Striped Circles

by achudars

HTML

<div id="outer-outer-outer">
    <div id="outer-outer">
        <div id="outer">
            <div id="inner"></div>
        </div>
    </div>
</div>

CSS

* {
    overflow:hidden;
}
#outer-outer-outer {
    -webkit-animation: rotation 7s infinite linear;
    position:absolute;
    top: 10%;
    left:10%;
    width:400px;
    height:400px;
    border-radius: 50%;
    border: 5px dotted black;
    margin: 0 auto;
    text-align:center;
    background-color: #0ae;
    background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(.5, rgba(255, 255, 255, .2)), color-stop(.5, transparent), to(transparent));
    background-image: -moz-linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
    background-image: -o-linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
    background-image: linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
    -webkit-background-size: 50px 50px;
    -moz-background-size: 50px 50px;
    background-size: 50px 50px;
}
#outer-outer {
    -webkit-animation: rotation 5s infinite linear;
    width:200px;
    height:200px;
    border-radius: 50%;
    border: 5px dotted black;
    margin: 0 auto;
    text-align:center;
    background-color: #a3e;
    background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(.5, rgba(255, 255, 255, .2)), color-stop(.5, transparent), to(transparent));
    background-image: -moz-linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
    background-image: -o-linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
    background-image: linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
    -webkit-background-size: 50px 50px;
    -moz-background-size: 50px 50px;
    background-size: 50px 50px;
}
#outer {
    -webkit-animation: rotation 4s infinite linear;
    width:100px;
    height:100px;
    border-radius: 50%;
    border: 5px dotted black;
    text-align:center;
    margin: 0 auto;
    background-color: #ac0;
    background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(.5, rgba(255, 255, 255, .2)), color-stop(.5,...