body {
    background-color: navajowhite;
}

header {
    text-align: center;
    background-color: indianred;
    padding-top: 15px;
    padding-bottom: 15px;
}

h1 {
    text-align: center;
}

h2 {
    text-align: center;
}

h3 {
    text-align: center;
}

main {
    margin: 20px;
}

footer {
    float: left;
    padding-left: 800px;
    margin: 15px;
}