body {
    font-family: Arial;
    margin: 20px;
}

h1 {
    text-align: center;
}

form input, form select {
    padding: 8px;
    margin: 5px;
}

button {
    padding: 8px 12px;
    cursor: pointer;
}

table {
    width: 100%;
    margin-top: 15px;
}

th {
    background-color: #333;
    color: white;
}

#message {
    font-weight: bold;
    margin-top: 10px;
}