body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    text-align: center;
}

header {
    background: #007BFF;
    color: #fff;
    padding: 20px 0;
}

main {
    padding: 50px 20px;
}

#construction {
    background: #fff;
    border: 2px dashed #007BFF;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

footer {
    text-align: center;
    padding: 10px 0;
    background: #007BFF;
    color: #fff;
    position: fixed;
    width: 100%;
    bottom: 0;
}