body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

h1 {
    background-color: #004262;
    color: white;
    text-align: center;
    padding: 20px 0;
    margin: 0;
    font-size: 2.5em;
}

h2 {
    text-align: center;
    color: #666;
    margin-top: 20px;
    font-size: 1.5em;
}

h3 {
    text-align: center;
    color: #333;
    margin:auto 0;
    font-size: 1.8em;
    border-bottom: 2px solid #004262;
    padding-bottom: 5px;
}

ul {
    list-style-type: none;
    padding: 0;
    max-width: 600px;
    margin: 0 auto;
}

ul li {
    margin: 10px 0;
}

ul li a {
    text-decoration: none;
    color: #004262;
    font-size: 1.2em;
    display: block;
    padding: 10px;
    border: 1px solid #004262;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}

ul li a:hover {
    background-color: #004262;
    color: white;
}

ul li a:active {
    background-color: #004262;
}