.loader {
    width: 25px;
    height: 25px;
    border: 3px solid var(--bs-primary);
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }

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

/* HTML: <div class="loader"></div> */
.loader2 {
    width: 20px;
    aspect-ratio: 2;
    --_g: no-repeat radial-gradient(circle closest-side, #7239EA 90%, #7239EA00);
    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%
    }
}