styles.css

:root {
    --font-size-large: 4rem;
    --font-size-medium: 1.7rem;
    --font-size-normal: 1rem;
    --font-size-small: 1rem;
    --bg-color: black;
}

@media screen and (max-width: 600px) {
    /* … */
    :root {
        --font-size-large: 1.5rem;
        --font-size-medium: 0.5rem;
        --font-size-normal: 1.3rem;
        --font-size-small: 1rem;
    }
}

html, body {
    overflow-x: hidden;
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Press Start 2P', cursive;
    background: var(--bg-color);
    color: white;
    text-transform: uppercase;
    font-size: var(--font-size-normal);
}

h1 {
    font-size: var(--font-size-large);
    text-align: center;
    padding: 1rem;
}

h2 {
    margin-top: var(--font-size-medium);
    font-size: var(--font-size-medium);
    text-align: center;
}

table {
    font-size: var(--font-size-normal);
    display: block;
    overflow-x: auto;
    white-space: nowrap;
}

th {
    text-align: left;
    padding: 1rem;
    position: sticky;
}

td {
    padding: 1rem;
}

thead tr, th:first-child {
    position: sticky;
    width: 5em;
    left: 0;
    top: auto;
    background: black;
    z-index: 2000;
}

tr:nth-child(even) {
    color: cyan;
}

.bbc {
    background: white;
    color: black;
    font-weight: 900;
    padding: 10px;
    border: 4px solid black;
}

.ceefax {
    background: blue;
    color: yellow;
    padding: 10px 30px;
    margin-left: 10px;
}



.entry-name {
    z-index: 2000;
    position: sticky;
    width: 5em;
    left: 0;
    top: auto;
    color: white;
    text-shadow: -1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 1px 1px 0 #000;
}