/* loader */
.loader {
    display: none;
    width: 50px;
    aspect-ratio: 1;
    border-radius: 50%;
    padding: 3px;
    background:
        radial-gradient(farthest-side, #ffa516 95%, #0000) 50% 0/12px 12px no-repeat,
        radial-gradient(farthest-side, #0000 calc(100% - 5px), #ffa516 calc(100% - 4px)) content-box;
    animation: l6 2s infinite;
}

@keyframes l6 {
    to {
        transform: rotate(1turn)
    }
}