.banner {
    display: block !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

h1 {
    padding-left: 100px;
}

h3,
hr {
    color: chocolate;
}

article {
    margin-left: 150px;
    margin-right: 150px;
}

h2 {
    padding-left: 50px;
}

footer {
    margin-left: 50px;
    margin-right: 50px;
}

h4 {
    text-decoration: underline;
}