Edit in JSFiddle


              
<body>
    <div id="loader">
        <div id="line1"></div>
        <div id="line2"></div>
        <div id="line3"></div>
    </div>
</body>
			@keyframes example {
			    0% {
			        -webkit-transform: rotate(0deg);
			        /* Chrome, Opera 15+, Safari 3.1+ */
			        -ms-transform: rotate(0deg);
			        /* IE 9 */
			        transform: rotate(0deg);
			        /* Firefox 16+, IE 10+, Opera */
			    }
			    100% {
			        -webkit-transform: rotate(360deg);
			        /* Chrome, Opera 15+, Safari 3.1+ */
			        -ms-transform: rotate(360deg);
			        /* IE 9 */
			        transform: rotate(360deg);
			        /* Firefox 16+, IE 10+, Opera */
			    }
			}
			#loader {
			    position:relative;
			    top: 50px;
			    left : 50px;
			}
			#line1 {
			    float: left;
			    display: inline;
			    border: 3px solid transparent;
			    border-top-color: blue;
			    border-radius: 50%;
			    width: 110px;
			    height: 110px;
			    position: absolute;
			    animation: example 3s linear infinite;
			}
			#line2 {
			    border: 3px solid transparent;
			    border-top-color: red;
			    border-radius: 50%;
			    width: 95px;
			    height: 95px;
			    position: absolute;
			    top: 10px;
			    left: 7px;
			    float: left;
			    display: inline;
			    animation: example 5s linear infinite;
			}
			#line3 {
			    border: 3px solid transparent;
			    border-top-color: #08F525;
			    border-radius: 50%;
			    width: 80px;
			    height: 80px;
			    position: absolute;
			    top: 20px;
			    left: 14px;
			    float: left;
			    display: inline;
			    animation: example 2s linear infinite;
			}