body {
    font-family: Arial, sans-serif;
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
    line-height: 1.5;
}

h1, h2 {
    color: #1f3c88;
}

nav a {
    margin-right: 15px;
}

form {
    margin: 20px 0;
    padding: 15px;
    border: 1px solid #ccc;
}

input[type="text"],
textarea {
    width: 100%;
    max-width: 500px;
    padding: 8px;
    margin-top: 5px;
    margin-bottom: 15px;
}

input[type="submit"] {
    padding: 8px 14px;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin-top: 20px;
}

th, td {
    border: 1px solid #ccc;
    padding: 10px;
    text-align: left;
}