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

header {
    background-color: #003366;
    color: white;
    padding: 15px;
    text-align: center;
}

main {
    max-width: 900px;
    margin: 100px auto;
    background: white;
    padding: 25px;
    border-radius: 10px;
}

fieldset {
    border: 2px solid #003366;
    padding: 20px;
    border-radius: 10px;
}

legend {
    font-weight: bold;
    color: #003366;
}

label {
    display: block;
    margin: 10px 0;
}

button {
    background-color: #003366;
    color: white;
    padding: 10px;
    border: none;
    border-radius: 5px;
}

button:hover {
    background-color: #A8E000;
    color: #003366;
}