.loader {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    position: relative;
    animation: rotate 1s linear infinite;
}

    .loader::before, .loader::after {
        content: "";
        box-sizing: border-box;
        position: absolute;
        inset: 0;
        border-radius: 50%;
        border: 5px solid grey;
        animation: prixClipFix 2s linear infinite;
    }

    .loader::after {
        inset: 8px;
        transform: rotate3d(90, 90, 0, 180deg);
        border-color: #FF3D00;
    }

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

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

@keyframes prixClipFix {
    0% {
        clip-path: polygon(50% 50%, 0 0, 0 0, 0 0, 0 0, 0 0);
    }

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

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