.loader-spinner {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 50px;
    aspect-ratio: 1;
    display: grid;
    border-radius: 50%;
    z-index: 9999;

    background: linear-gradient(0deg, rgb(0 0 0/50%) 30%, #0000 0 70%, rgb(0 0 0/100%) 0) 50%/8% 100%,
    linear-gradient(90deg, rgb(0 0 0/25%) 30%, #0000 0 70%, rgb(0 0 0/75%) 0) 50%/100% 8%;
    background-repeat: no-repeat;
    animation: l23 1s infinite steps(12);
}

.loader-spinner::before,
.loader-spinner::after {
    content: "";
    grid-area: 1/1;
    border-radius: 50%;
    background: inherit;
    opacity: 0.915;
    transform: rotate(30deg);
}

.loader-spinner::after {
    opacity: 0.83;
    transform: rotate(60deg);
}

@keyframes l23 {
    100% {
        transform: rotate(1turn)
    }
}