body {
    margin: 0;
    background: white;
    font-family: Arial, Helvetica, sans-serif;
    color: #222;
    line-height: 1.7;
}

header img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    display: block;
}

main {
    max-width: 900px;
    margin: 50px auto;
    padding: 0 25px;
}

h1 {
    font-size: 42px;
    margin-bottom: 10px;
}

h2 {
    color: #1b5e9e;
    font-weight: normal;
}

.mail a {
    font-size: 20px;
    color: #1b5e9e;
    text-decoration: none;
}

.mail a:hover {
    text-decoration: underline;
}