.loader {
    width: 48px;
    height: 48px;
    border: 3px dotted #08529B;
    border-style: solid solid dotted dotted;
    border-radius: 50%;
    display: inline-block;
    position: relative;
    box-sizing: border-box;
    animation: rotation 1.25s linear infinite;
}

    .loader::after {
        content: '';
        box-sizing: border-box;
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        margin: auto;
        border: 3px dotted #F47920;
        border-style: solid solid dotted;
        width: 24px;
        height: 24px;
        border-radius: 50%;
        animation: rotationBack 0.75s linear infinite;
        transform-origin: center center;
    }

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

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

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

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