.seiteninhalt {
    width: 320px;
    height: fit-content;

    margin: 10rem auto 0;
    transform: translateX(-50px);

    padding: 0 2rem 2rem;

    background-color: #f1e6b8;
    border: 3px solid #501616;
    border-radius: 18px;
    box-shadow: 10px 10px 10px grey;
}

.seiteninhalt h2 {
    text-align: center;
}

.seiteninhalt label {
    font-weight: bold;
}

.seiteninhalt input {
    width: 100%;
    box-sizing: border-box;

    color: #501616;
    font-size: 1.2rem;
}

.seiteninhalt button {
    display: block;
    width: 60%;
    margin: 1rem auto 0;
    padding: 5px;

    background-color: #f1e6b8;
    border-color: #501616;
    border-style: outset;
    border-width: 3px;
    border-radius: 8px;
    box-shadow: 2px 2px 2px 2px black;

    color: #501616;
    font-size: 1.2rem;
    font-weight: bold;
}