.loader {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 20;
    width: 128px;
    height: 128px;
    border-radius: 50%;
    color: var(--color-light);
    transform: translate(-50%, -50%) rotateZ(45deg);
    perspective: 1000px;
}

.loader::before,
.loader::after {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: inherit;
    height: inherit;
    border-radius: 50%;
    transform: rotateX(70deg);
    animation: spin 1s linear infinite;
}

.loader::after {
    color: #ff3d00;
    transform: rotateY(70deg);
    animation-delay: 0.4s;
}

@keyframes spin {

    0%,
    100% {
        box-shadow: 0.2em 0 0 0 currentcolor;
    }

    12% {
        box-shadow: 0.2em 0.2em 0 0 currentcolor;
    }

    25% {
        box-shadow: 0 0.2em 0 0 currentcolor;
    }

    37% {
        box-shadow: -0.2em 0.2em 0 0 currentcolor;
    }

    50% {
        box-shadow: -0.2em 0 0 0 currentcolor;
    }

    62% {
        box-shadow: -0.2em -0.2em 0 0 currentcolor;
    }

    75% {
        box-shadow: 0 -0.2em 0 0 currentcolor;
    }

    87% {
        box-shadow: 0.2em -0.2em 0 0 currentcolor;
    }
}