table {
    font-size: small;
}

main img {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

main .caption {
    display: block;
    text-align: center;
    font-size: small;
}

main .caption.figure::before {
    content: "Figure\a0";
    font-weight: bold;
}

main .caption.table::before {
    content: "Table\a0";
    font-weight: bold;
}

main .bibref {
    font-size: smaller;
    vertical-align: super;
}

main .bibref::before {
    content: "[";
}

main .bibref::after {
    content: "]";
}

main .biblio ol {
    counter-reset: item;
    margin-left: 0;
    padding-left: 0;
}

main .biblio ol li {
    display: block;
    margin-left: 2.5em;
}

main .biblio ol li::before {
    display: inline-block;
    content: "[" counter(item) "] ";
    counter-increment: item;
    width: 2.5em;
    margin-left: -2.5em;
}