body {
    margin: 0;
    border: 0px solid red;
    padding: 0.5em;
}

section {
    width: 43em;
    margin: 0 auto;
    border: 0px solid blue;
    padding: 1em 0.5em;
}

h1 {
    margin: 1em 0 0.2em;
    text-align: center;
    font-size: 2.0em;
}


h2 {
    margin: 1em 0 0.2em;
    text-align: center;
    font-size: 1.4em;
}

h3 {
    margin: 0.5em 0 0;
    font-size: 1.2em;
}

ol {
    margin: 0 0 0 3em;
    list-style-type: decimal;
}
ul {
    margin: 0 0 0 4em;
    list-style-type: none;
}


.RR {
    text-align: right;
}