.preise {
    background-color: #09ad99;
    color: black;
    font-size: 24px;
    padding: 0.5em;
    color: gray;
}

.preise h1{
    color: white;
}

.preis-box {
    background-color: white;
    width: 90%;
    padding: 0.5em;
}

@media only screen and (max-width: 800px) {
    .preise {
        background-color: #09ad99;
        color: black;
        font-size: 24px;
        color: gray;
    }

    .preise h1{
        color: white;
    }

    .preis-box {
        background-color: white;
    }
}