styles.css

/* BOX SIZING RESET */

*,
*::after,
*::before {
    box-sizing: border-box;
}

/* --- GENERAL --- */

article {
    border: 2px solid;
    font-family: Helvetica, Arial, sans-serif;
    padding: 10px 15px;
    width: 680px;
}

dd,
dl,
dt {
    display: inline-block;
    margin: 0;
}

h1,
h2,
p {
    margin: 0;
}

h1 {
    font-size: 2rem;
}

h2 {
    border-top: 30px solid;
    font-size: 1rem;
    margin-top: 5px;
    padding: 10px 0;
}

html {
    font-size: 28px;
}

sup {
    vertical-align: 3px;
}

/* --- END GENERAL --- */

/* --- HEADER --- */

header {
    border-bottom: 15px solid;
    margin-bottom: 10px;
}

header dl {
    border-top: 1px solid;
    padding: 5px 0;
    width: 50%;
}

header dl:first-of-type dt {
    font-weight: bold;
}

header dl:last-of-type {
    text-align: right;
}

/* --- END HEADER --- */

/* --- MAIN TABLE --- */

article > table dt {
    font-weight: bold;
}

article > table {
    border-collapse: collapse;
    width: 100%;
}

article > table tbody td {
    border-top: 1px solid;
    padding: 2px 0;
}

article > table tbody td:last-child {
    text-align: right;
}

article > table tbody:first-of-type td:last-child {
    font-weight: bold;
}

article > table tbody:last-of-type tr:first-child td {
    border-top-width: 20px;
}

article > table tbody:last-of-type tr:last-child td {
    border-bottom: 1px solid;
}

article > table td {
    width: 0;
}

article > table td:empty + td dt {
    font-weight: normal;
}

article > table td:empty:first-child {
    width: 1em;
    border-top-style: none;
}

article > table tfoot td {
    font-size: 0.9rem;
    padding-left: 0.7rem;
    padding-top: 0.5rem;
    text-indent: -0.7rem;
}

article > table thead th {
    text-align: right;
}

/* --- END MAIN --- */

/* --- ASIDE --- */

aside {
    margin-bottom: 5px;
    margin-top: 13px;
    font-size: 0.8rem;
}

aside table {
    border-collapse: collapse;
    text-align: left;
    width: 100%;
}

aside tbody td {
    padding: 2px 0;
}

aside tbody td:first-child {
    width: 37%;
}

aside tbody tr:last-child td:first-child,
aside tbody tr:nth-child(2) td:first-child {
    text-indent: 1.5em;
}

aside tbody td:not(:first-child) {
    width: 21%;
}

aside thead td,
aside thead th {
    border-bottom: 1px solid;
}

aside thead th {
    font-weight: normal;
}

/* --- END ASIDE --- */