@media screen and (min-width: 800px) {
    section.slider-section {
        margin-top: 100px;
    }
    
}
@media screen and (min-width: 800px) {
    .product-section {
        margin-top: 60px;
    }
    
}
@media screen and (min-width: 800px) {
    .chheckout-section {
        margin-top: 80px;
    }
    
}