.back-button {
    position: absolute;
    top: 120px;
    left: 20px;
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 10px 20px;
    cursor: pointer;
    text-decoration: none;
    font-size: 16px;
    transition: background-color 0.3s;
    z-index: 21;
}
.back-button:hover {
    background-color: #0056b3;
}

@media (max-width: 768px) {
    .back-button {
        top: 100px;
        height: 20px;
    }
}
.content {
    text-align: center;
    margin-top: 150px;
}

.link_dokumente {
    z-index: 25; /* Setzen Sie einen höheren z-index-Wert für den Link */
    position: relative;
}