.header {
    background: url(../img/fitter.png) right 50px bottom no-repeat, url(../img/okno.png) left bottom no-repeat, #3d4e74;
    color: white;
    padding: 10px 50px 50px;
    border-bottom-left-radius: 100px;
    border-bottom-right-radius: 100px;
}

@media (max-width: 1349px) {
    .header {
        padding: 20px 35px 200px;
    }
}

@media (max-width: 1095px) {
    .header {
        background: url(../img/fitter-medium.png) right 30px bottom no-repeat, url(../img/okno-medium.png) left bottom no-repeat, #3d4e74;
        padding: 20px 35px 280px;
    }
}

@media (max-width: 690px) {
    .header {
        background: url(../img/fitter-small.png) right 20px bottom no-repeat, url(../img/okno-medium.png) left bottom no-repeat, #3d4e74;
        padding: 20px 20px 280px;
    }
}

@media (max-width: 480px) {
    .header {
        border-bottom-left-radius: 50px;
        border-bottom-right-radius: 50px;
    }
}