body {
    margin: 0;
    padding: 0;

    background-image: url("background.png");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;

    font-family: Arial, Helvetica, sans-serif;
}

.overlay {
    max-width: 1000px;

    margin: 40px auto;
    padding: 30px;

    background: rgba(255,255,255,0.88);

    border-radius: 12px;
}

h1 {
    text-align: center;
    margin-bottom: 0.3em;
}

h2 {
    text-align: center;
    color: #003366;
    margin-top: 0;
}

h3 {
    color: #003366;
    border-bottom: 2px solid #003366;
    padding-bottom: 5px;
}

h4 {
    margin-top: 25px;
}

ul {
    list-style: none;
    padding-left: 0;
}

li {
    margin-bottom: 18px;
}

a {
    color: #003366;
}