div.naglowekKontener {
    height: 100%;
}

@media only screen and (min-width: 1600px) {
    div.naglowekKontener {
        margin-top: 20px !important;
    }
}
@media only screen and (min-width: 1400px) and (max-width: 1600px) {
    div.naglowekKontener {
        margin-top: 20px !important;
    }
}
@media only screen and (min-width: 1300px) and (max-width: 1400px) {
    div.naglowekKontener {
        margin-top: 20px !important;
    }
}
@media only screen and (min-width: 1280px) and (max-width: 1300px) {
    div.naglowekKontener {
        margin-top: 20px !important;
    }
}
@media only screen and (min-width: 1000px) and (max-width: 1280px) {
    div.naglowekKontener {
        margin-top: 20px !important;
    }
}
@media only screen and (min-width: 770px) and (max-width: 1000px) {
    div.naglowekKontener {
        margin-top: 20px !important;
    }
}
@media only screen and (min-width: 680px) and (max-width: 770px) {
    div.naglowekKontener {
        margin-top: 56px !important;
    }
}
@media only screen and (min-width: 480px) and (max-width: 680px) {
    div.naglowekKontener {
        margin-top: 50px !important;
    }
}
@media only screen and (max-width: 480px) {
    div.naglowekKontener {
        margin-top: 56px !important;
    }
}


div.naglowekKontener div.naglowekTlo {
    margin: 0;
    padding: 0;
    padding-top: 1px;
    background-image: url(/images/2025_09_owllabs/naglowek-tlo.jpg);
    background-repeat: no-repeat;
    background-color: #000000;
    transition: height 1s, background-position 0.5s, background-size 0.5s;
}


@media only screen and (min-width: 1600px) {
    div.naglowekTlo {
        height: 620px;
        background-position: 50% 100%;      /* first horizontal, second vertical */
        background-size: auto 100%;         /* first width, second height. */
    }
}
@media only screen and (min-width: 1400px) and (max-width: 1600px) {
    div.naglowekTlo {
        height: 620px;
        background-position: 50% 100%;      /* first horizontal, second vertical */
        background-size: auto 100%;         /* first width, second height. */
    }
}
@media only screen and (min-width: 1280px) and (max-width: 1400px) {
    div.naglowekTlo {
        height: 620px;
        background-position: 50% 100%;      /* first horizontal, second vertical */
        background-size: auto 100%;         /* first width, second height. */
    }
}
@media only screen and (min-width: 1000px) and (max-width: 1280px) {
    div.naglowekTlo {
        height: 620px;
        background-position: 50% 100%;                   /* first horizontal, second vertical */
        background-size: auto 100%;                  /* first width, second height. */
        /* background-color: #00ff00; */
    }
}
@media only screen and (min-width: 770px) and (max-width: 1000px) {
    div.naglowekTlo {
        height: 580px;
        background-position: 50% 100%;        /* first horizontal, second vertical */
        background-size: auto 100%;                 /* first width, second height. */
        /* background-color: #0000FF; */
    }
}
@media only screen and (min-width: 680px) and (max-width: 770px) {
    div.naglowekTlo {
        height: 480px;
        background-position: 50% 100%;        /* first horizontal, second vertical */
        background-size: auto 100%;                 /* first width, second height. */
        /* background-color: #ff9933; */
    }
}
@media only screen and (min-width: 480px) and (max-width: 680px) {
    div.naglowekTlo {
        height: 300px;
        background-position: 50% 100%;        /* first horizontal, second vertical */
        background-size: auto 100%;                 /* first width, second height. */
        /* background-color: #ff00ff; */
    }
}
@media only screen and (max-width: 480px) {
    div.naglowekTlo {
        height: 240px;
        background-position: 50% 100%;     /* first horizontal, second vertical */
        background-size: auto 100%;     /* first width, second height. */
        /* background-color: #cccccc; */
    }
}