.container {
    margin-bottom: -52px;
}

@media (min-width: 950px) {
    .container {
    }
}

.container {
    margin-bottom: 0px;
}

.container {
    margin-top: 0px;
    padding-top: 0;
    margin-bottom: 1px;
    width: 100%;
}

@media (max-width:949px) {
    .sekcja1-mobile {
        background-image: url('../images/tlo3.jpg');
        background-repeat: no-repeat;
        background-size: auto;
    }
}