body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: Arial, sans-serif;
    background: #121212; /* Dark background */
    color: #f8f9fa; /* Light text color */
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85); /* Dark semi-transparent background */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

.overlay-content {
    background: #2c2c2c; /* Dark grey background */
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    text-align: center;
    max-width: 80%;
}

.overlay-content p {
    font-size: 1.2em;
    line-height: 1.5;
    color: #f8f9fa; /* Light text color */
}

.overlay-content a {
    color: #f8f9fa; /* Link color */
    text-decoration: underline;
}

button {
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #6c757d; /* Grey button */
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #5a6268; /* Darker grey on hover */
}