.loader--wrapper {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: white;
    z-index: 10000;
}

.loader--wrapper img {
    position: absolute;
    bottom: 8%;
    width: 170px;
    left: 0px;
    right: 0px;
    margin: auto;
}

@media (max-width: 575px) {
    .loader--wrapper img {
        width: 120px;
    }
}

/* HTML: <div class="loader"></div> */
.loader {
    height: 3px;
    border-radius: 3px;
    width: 130px;
    --c: no-repeat linear-gradient(var(--color-theme) 0 0);
    background: var(--c), var(--c), whitesmoke;
    background-size: 60% 100%;
    animation: l16 3s infinite;
}
@keyframes l16 {
    0% {
        background-position: -150% 0, -150% 0;
    }
    66% {
        background-position: 250% 0, -150% 0;
    }
    100% {
        background-position: 250% 0, 250% 0;
    }
}