body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #ffffff;
    color: #1a1f21;
}

header {
    background-color: #0f3e70;
    color: white;
    padding: 20px;
    text-align: center;
}

.logo {
    height: 100px;
    display: block;
    margin: 0 auto 10px;
}

main {
    padding: 20px;
    text-align: center;
}

footer {
    background-color: #1a1f21;
    color: white;
    text-align: center;
    padding: 10px 0;
}