.loader {
    width: 50px;
    aspect-ratio: 1;
    border-radius: 50%;
    border: 8px solid #0000;
    border-right-color: #ffa50097;
    position: relative;
    animation: l24 1s infinite linear;
}

.loader:before,
.loader:after {
    content: "";
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: inherit;
    animation: inherit;
    animation-duration: 2s;
}

.loader:after {
    animation-duration: 4s;
}

@keyframes l24 {
    100% {
        transform: rotate(1turn)
    }
}