<div class="circle">
<div class="circle1"></div>
<div class="circle2"></div>
<div class="circle3"></div>
</div>
.circle {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 250px;
height: 250px;
box-sizing: border-box;
border: 15px solid rgba(0,0,0,.8);
border-radius: 50%;
}
.circle1 {
width: 100%;
height: 100%;
border-radius: 50%;
border-style: solid;
border-width: 50%;
border-color: #f1c40f #e74c3c #9b59b6 #2ecc71;
box-sizing: border-box;
animation: animateCircle1 5s linear infinite;
background: #262626;
}
.circle2 {
position: absolute;
top: 16px;
left: 16px;
width: calc(100% -40px);
height: calc(100% -40px);
border-radius: 50%;
border: 4px dashed #000;
animation: animateCircle2 10s linear infinite;
}
.circle3 {
position: absolute;
top: 20px;
left: 20px;
width: calc(100% -40px);
height: calc(100% -40px);
border-radius: 50%;
}
@keyframe animateCircle1 {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
@keyframe animateCircle2 {
0% { transform: rotate(360deg); }
100% { transform: rotate(0deg); }
}