.loader {
    width: 20px;
    aspect-ratio: 1;
    border-radius: 50%;
    border: 3px solid #000000;
    animation: l20-1 0.8s infinite linear alternate, l20-2 1.6s infinite linear;
}

@keyframes l20-1 {
    0% {
        clip-path: polygon(50% 50%,0 0, 50% 0%, 50% 0%, 50% 0%, 50% 0%, 50% 0% )
    }

    12.5% {
        clip-path: polygon(50% 50%,0 0, 50% 0%, 100% 0%, 100% 0%, 100% 0%, 100% 0% )
    }

    25% {
        clip-path: polygon(50% 50%,0 0, 50% 0%, 100% 0%, 100% 100%, 100% 100%, 100% 100% )
    }

    50% {
        clip-path: polygon(50% 50%,0 0, 50% 0%, 100% 0%, 100% 100%, 50% 100%, 0% 100% )
    }

    62.5% {
        clip-path: polygon(50% 50%,100% 0, 100% 0%, 100% 0%, 100% 100%, 50% 100%, 0% 100% )
    }

    75% {
        clip-path: polygon(50% 50%,100% 100%, 100% 100%, 100% 100%, 100% 100%, 50% 100%, 0% 100% )
    }

    100% {
        clip-path: polygon(50% 50%,50% 100%, 50% 100%, 50% 100%, 50% 100%, 50% 100%, 0% 100% )
    }
}

@keyframes l20-2 {
    0% {
        transform: scaleY(1) rotate(0deg)
    }

    49.99% {
        transform: scaleY(1) rotate(135deg)
    }

    50% {
        transform: scaleY(-1) rotate(0deg)
    }

    100% {
        transform: scaleY(-1) rotate(-135deg)
    }
}