body {
}

.nadpis {
    width: 100%;
    height: 50px;
    text-align: center;
    font-size: 40px;
    margin-left: auto;
    margin-right: auto;
}
.kop {
    margin: 4% 22%;
    padding: 0%;
}


@media screen and (min-width: 900px) {
    .kop {
        width: 80%;
        float: left;
    }
}