.loader {
width: 100px;
height: 100px;
border-radius: 50%;
display: inline-block;
border-top: 10px solid #000;
border-right: 10px solid transparent;
box-sizing: border-box;
animation: rotation 1s linear infinite;
}
.loader::after {
content: '';
box-sizing: border-box;
position: absolute;
left: 0;
top: 0;
width: 100px;
height: 100px;
border-radius: 50%;
border-left: 10px solid #FF3D00;
border-bottom: 10px solid transparent;
animation: rotation 0.5s linear infinite reverse;
}
@keyframes rotation {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}