body{
    background-image: url(images/tlo_podstrony.png)!important;
    background-repeat: no-repeat;
    background-position:-250px top;
    background-size: 130%;
}
@media screen and (max-width: 576px) {
    body{
        background-image: url(images/tlo_podstrony.png)!important;
        background-repeat: no-repeat;
        background-position: top;
        background-size: 150%;
    }
	.navbar-toggler {
    position: absolute;
    top: 15px;
    right: 0px;
    z-index: 999;
    background-image: URL(images/mobile_icon_black.png)!important;
    width: 40px;
    height: 25px;
    background-repeat: no-repeat;
    background-size: contain;
    border: none;
    outline: none;
    border-radius: 0px;
}
}