.cennik
{
    background-color: white;
    width: 100%;
    height: auto;
    color: black;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-top: 50px;
    padding-bottom: 100px;
}


table {
    width: 100%;
    border-collapse: collapse;
    text-align: center;
    font-family: Arial, sans-serif;
    font-size: 25px;
    margin: 0px;
}


th, td {
    border: 2px solid black;
    padding: 10px;
    width: 500px;
    height: 50px;
}


.green-background
{
    background-color: #00cc66;
}




th {
    color: black;
    font-weight: bold;
}


.highlight {
    color: black;
}

.spanned {
    text-align: left;
    font-weight: bold;
}

@media (max-width: 1000px)
{
    th, td {
        width: 50%;
        height: 100%;
    }
}


@media (max-width: 550px) {
    .cennik {
        padding-left: 20px;
        padding-right: 20px;
    }

    table {
        width: 100%; 
        font-size: 19px;
    }

    th, td {
        width: 100%;
        height: auto;
    }
}