body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #f4f6f9;
    color: #333;
}
header {
    background-color: #1f3c88;
    color: white;
    padding: 20px;
    text-align: center;
}
nav {
    background-color: #1f3c88;
    padding: 10px;
    text-align: center;
}
nav ul {
    list-style-type: none;
    padding: 0;
}
nav ul li {
    display: inline;
    margin: 0 15px;
}
nav ul li a {
    color: white;
    text-decoration: none;
}
nav ul li a:hover {
    text-decoration: underline;
}
section {
    padding: 40px;
    max-width: 900px;
    margin: auto;
}
.box {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
footer {
    text-align: center;
    padding: 20px;
    background: #1f3c88;
    color: white;
    margin-top: 40px;
}
form {
    margin-top: 20px;
}
form input, form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
    border: 1px solid #ddd;
}
form input[type="submit"] {
    background-color: #1f3c88;
    color: white;
    cursor: pointer;
    border: none;
}
form input[type="submit"]:hover {
    background-color: #12396d;
}