.loader-spin,
.loader-spin:after {
    border-radius: 50%;
    width: 3em;
    height: 3em;
}

.loader-spin {
    aspect-ratio: 1;
    border-radius: 50%;
    border: 8px solid darkgray;
    border-right-color: #bf0c30;
    animation: l2 1s infinite linear;
}
@keyframes l2 {
    to {
        transform: rotate(1turn)
    }
}

@-webkit-keyframes loader-spin-animation {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@keyframes loader-spin-animation {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}