@media (max-width: 1820px) {

}

@media (max-width: 1680px) {
}

@media (max-width: 1540px) {
}

@media (max-width: 1140px) {
    .zb_header {
        background-size: cover;
        height: 650px;
    }
}

@media (max-width: 880px) {
}


@media (max-width: 680px) {
    .zb_header {
        padding-top: 80px;
        background-size: cover;
        height: 650px;
    }
    .main_text {
        font-size: 20px;
        line-height: 135%;
    }
}

@media (max-width: 520px) {
    .zb_header {
        padding-top: 80px;
    }
    .bicykel {
        background-size: 320px;
        height: 200px;
    }
    .main_text {
        font-size: 19px;
        line-height: 130%;
    }
}

@media (max-width: 400px) {
    .bicykel {
        background-size: 220px;
        height: 140px;
    }
    .main_text {
        font-size: 17px;
        line-height: 125%;
    }
}