.page,
.breadcrumbs {
    box-sizing: border-box;
}

.page {
    padding: 0 30px;
}

.main-slider {
    height: 500px;
}

.page.payment-delivery .b1 {
    flex-direction: column;
    align-items: stretch;
}

.page.rules .b1 {
    align-items: stretch;
    justify-content: flex-start;
    flex-direction: column;
}



.page.rules .b1 .text {
    max-width: none;
}

.page.contacts .middle {
    grid-template-columns: repeat(1, 1fr);
}

.main-slider {
    width: auto;
    align-self: stretch;
    border-radius: 0;
}