body {
}
/* HTML: <div class="loader"></div> */
.dots-loader {
    width: 60px;
    aspect-ratio: 2;
    --_g: no-repeat radial-gradient(circle closest-side,#000 90%,#0000);
    background: var(--_g) 0% 50%, var(--_g) 50% 50%, var(--_g) 100% 50%;
    background-size: calc(100%/3) 50%;
    animation: l3 1s infinite linear;
}

@keyframes l3 {
    20% {
        background-position: 0% 0%, 50% 50%,100% 50%
    }

    40% {
        background-position: 0% 100%, 50% 0%,100% 50%
    }

    60% {
        background-position: 0% 50%, 50% 100%,100% 0%
    }

    80% {
        background-position: 0% 50%, 50% 50%,100% 100%
    }
}