/* HTML: <div class="loader"></div> */
.loader {
    --c1: #673b14;
    --c2: #f8b13b;
    width: 40px;
    height: 80px;
    border-top: 4px solid var(--c1);
    border-bottom: 4px solid var(--c1);
    background: linear-gradient(90deg, var(--c1) 2px, var(--c2) 0 5px, var(--c1) 0) 50%/7px 8px no-repeat;
    display: grid;
    overflow: hidden;
    animation: l5-0 2s infinite linear;
}

.loader::before,
.loader::after {
    content: "";
    grid-area: 1/1;
    width: 75%;
    height: calc(50% - 4px);
    margin: 0 auto;
    border: 2px solid var(--c1);
    border-top: 0;
    box-sizing: content-box;
    border-radius: 0 0 40% 40%;
    -webkit-mask:
        linear-gradient(#000 0 0) bottom/4px 2px no-repeat,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: destination-out;
    mask-composite: exclude;
    background:
        linear-gradient(var(--d, 0deg), var(--c2) 50%, #0000 0) bottom /100% 205%,
        linear-gradient(var(--c2) 0 0) center/0 100%;
    background-repeat: no-repeat;
    animation: inherit;
    animation-name: l5-1;
}

.loader::after {
    transform-origin: 50% calc(100% + 2px);
    transform: scaleY(-1);
    --s: 3px;
    --d: 180deg;
}

@keyframes l5-0 {
    80% {
        transform: rotate(0)
    }

    100% {
        transform: rotate(0.5turn)
    }
}

@keyframes l5-1 {

    10%,
    70% {
        background-size: 100% 205%, var(--s, 0) 100%
    }

    70%,
    100% {
        background-position: top, center
    }
}