body {
    text-align: center;
    padding: 30px;
    font-family: Arial, sans-serif;
}
img.logo { 
    max-height: 150px;
}
h1 {
    font-size: 20px;
    line-height: 1.3em;
}
a {
    text-decoration: underline;
}

@media only screen and (min-width: 992px) {
    body {
        padding: 50px;
    }
    img.logo { 
        max-height: 200px;
    }
    h1 { 
        font-size: 30px;
    }
}