style.css

:root {
    box-sizing: border-box;
    --bold-font: 600;
    --semi-bold-font: 500;
    --regular-font: 400;
    --light-font: 300;
    --timeline-bck: #333;
    --timeline-bar: #aaa;
    --timeline-seek: #bbb;
    --timeline-nib-psuedo: #999;
}

html {
    font-size: 62.5%;
}

body {
    font-family: 'Source Code Pro', monospace;
    font-weight: var(--regular-font);
    min-height: 100dvh;
    min-width: 100dvw;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    line-height: 1.4;
}

p, h1, h2, h3, h4, h5, h6, ul, li, section {
    margin: 0;
    padding: 0;
}

button {
    border: none;
    box-shadow: none;
    font-family: inherit;
    font-weight: inherit;
    font-size: inherit;
    background: transparent;
}

ul, li {
    margin: 0;
    padding: 0;
    list-style: none;
}

header {
    font-size: 1.5rem;
    padding: 1rem;
    border-bottom: 1px solid;
}

main {
    display: grid;
    grid-template-columns: 70% 30%;
    grid-template-rows: auto 1fr;
}

section {
    padding: 0;
    margin: 0;
}

video {
    width: 100%;
    position: relative;
}

.video-section {
    grid-row: 1 / span 1;
    grid-column: 1 / span 1;
    border-bottom: 1px solid;
}

.video-section-theater {
    grid-column: 1 / -1;
}

.comments-container {
    grid-row: 1 / -1;
    grid-column: 2 / span 1;
    border-left: 1px solid;
}

.comments-container-theater {
    grid-row: 2 / -1;
}

.video-stats-wrapper {
    grid-row: 2 / span 1;
    grid-column: 1 / span 1;
    min-height: 50vh;
}


figure {
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

img {
    width: 200px;
    height: 150px;
    object-fit: cover;
    border: 1px solid;
}

figcaption {
    margin: 0;
    padding: 0;
    font-size: 1rem;
}

kbd {
    color: red;
    background: yellow;
    padding: 3px;
    border: 1px solid red;
}