@keyframes l16 {
    0% {
        background-position: -150% 0, -150% 0
    }
    66% {
        background-position: 250% 0, -150% 0
    }
    100% {
        background-position: 250% 0, 250% 0
    }
}

.main .loader {
    --c: no-repeat linear-gradient(var(--bbx-locales-primary-color) 0 0);
    height: 4px;
    margin: 0 auto;
    width: 100%;
    background: var(--c), var(--c), transparent;
    background-size: 60% 100%;
    animation: l16 3s infinite;
    display: none;
}

.main .loader.loading {
    display: block;
}