body {
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-size: 16px;

    padding: 0;
    margin: 0;

    background-color: #f0f0f0;
}

/* ===== HEADER =====*/
header {
    background-color: white;
    border-radius: 15px;
    margin: 1em;
    padding: 1em;
}

header h1 {
    text-shadow: 3px 3px 5px gray;
    font-size: 2.5em;
    margin: 0 0 0.5em 0;
}

header hr {
    border: solid 1px #999;
    margin: 0 0 1em 0;
}

header p {
    padding: 0;
    margin: 0.1em 0 0.5em 0;
}

header p>span {
    font-weight: bold;
    font-style: italic;
}

/* ===== MAIN =====*/
main {
    margin: 1em;
    padding: 1em;
    column-width: 20em;
    column-count: auto;
    column-gap: 2em;
    background-color: white;
    border-radius: 15px;
}

main h1, h2, h3 {
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

main hr {
    width: 50%;
    margin: 1em auto;
    border: solid 1px #555779;
}

main figure {
    margin: 0.8em 0.1em;
    text-align: center;
}

main figcaption {
    font-size: 0.94em;
    font-style: italic;
}

main figure img {
    margin: 0 auto 0.5em auto;
    max-width: 100%;
}

main h1 {
    font-size: 2.5em;
    margin: 0 0 0.5em 0;
}

main h2 {
    font-size: 2.2em;
    margin: 0 0 0.5em 0;
}

main h3 {
    font-size: 1.4em;
    margin: 0.8em 0 0.5em 0;
}

main p {
    padding: 0;
    margin: 0.1em 0 0.5em 0;
    line-height: 1.5em;
    text-align: justify;
}

main ul {
    margin: 0;
}

main li {
    padding: 0;
    margin: 0.1em 0 0.5em 0;
    line-height: 1.5em;
    text-align: justify;
}

main cite {
    display: block;
    margin: 0.2em 1em 0.5em 1em;
}

main .entete {
    font-weight: bold;
    font-size: 1.4em;
    font-style: italic;
}