* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    max-width: 950px;
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 45px;
    margin: 55px auto;
    padding: 0 15px;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #222020;
    background: #faf7f7;
}

.side {
    position: sticky;
    top: 55px;
    height: fit-content;
}

.home {
    display: block;
    margin-bottom: 22px;
    color: inherit;
    font-weight: bold;
    text-decoration: none;
}

nav a {
    display: block;
    margin-bottom: 6px;
    color: #666060;
    text-decoration: none;
}

nav a:hover {
    color: #222020;
}

main {
    max-width: 750px;
}

h1 {
    margin-bottom: 4px;
}

.h1p {
    margin: 0 0 55px;
    color: #666060;
}

section {
    margin-bottom: 55px;
    scroll-margin-top: 55px;
}

section h2 {
    margin-bottom: 0;
}

pre {
    padding: 18px;
    overflow-x: auto;
    background: #fffdfd;
    border: 2px solid #ded8d8;
}

main img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 18px 0 24px;
}

code {
    font-size: 1em;
    font-family: Consolas, "Courier New", monospace;
}