body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f9;
    color: #333;
}

header {
    background: #001e4d;
    color: #fff;
    padding: 20px;
    text-align: center;
}

header h1 {
    margin: 0;
}

header p {
    font-size: 1.2em;
}

main {
    padding: 20px;
}

.intro {
    background: white;
    padding: 20px;
    margin: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.intro h2 {
    color: #001e4d;
}

.intro p {
    font-size: 1em;
    line-height: 1.6;
}

button {
    background: #001e4d;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1em;
    cursor: pointer;
    border-radius: 5px;
    transition: background 0.3s;
}

button:hover {
    background: #001e4d;
}