style-guide/style.css

@import url('https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.1/normalize.min.css');

@font-face {
  font-family: 'Bij1';
  src: url('./assets/fonts/BIJ1-Regular.woff2');
  font-weight: normal;
}

@font-face {
  font-family: 'Bij1';
  src: url('./assets/fonts/BIJ1-SemiBold.woff2');
  font-weight: 700;
}

@font-face {
  font-family: 'Bij1';
  src: url('./assets/fonts/BIJ1-Bold.woff2');
  font-weight: 900;
}

/* VARIABLES */
:root {
  /* Color */
  --color-black: #000000;

  --color-gray-900: #161616;
  --color-gray-600: #8a8a8a;
  --color-gray-500: #cacaca;
  --color-gray: #EDEDED;
  --color-gray-200: #f9f9f9;

  --color-white: #FFFFFF;
  --color-yellow: #FFFF00;
  --color-orange: #FF9600;
  --color-pink: #FF00BA;
  --color-green: #4FD600;
  --color-purple: #C700BF;
  --color-red: #FF0000;
  --color-blue: #00CCFF;

  --color-accent: var(--color-yellow);
  --color-text: var(--color-gray-900);

  /* Fonts */
  --font-family-base: 'Bij1', sans-serif;
  --font-family-code: Consolas, "Liberation Mono", Courier, monospace;

  /* Font sizes */
  --font-size-xxs: 0.7rem;
  --font-size-xs: 0.75rem;
  --font-size-sm: 1.1rem;
  --font-size-md: 1.5rem;
  --font-size-lg: 1.9rem;
  --font-size-xl: 2.6rem;

  /* Line height */
  --line-height: 1.25;

  /* Spacing */
  --spacing-xxs: 2px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 32px;
  --spacing-xl: 64px;
  --spacing-xxl: 128px;
  --spacing-xxxl: 256px;

  /* Borders */
  --border-accent-color-1: var(--color-orange);
  --border-accent-color-2: var(--color-pink);
  --border-accent-color-3: var(--color-green);
  --border-accent-color-4: var(--color-purple);
  --border-accent-color-5: var(--color-red);
  --border-accent-color-6: var(--color-blue);
  --border-accent-size: 10px;
  --border-accent: var(--border-accent-size) solid;
  --border-accent-image-source: linear-gradient(to right,
    var(--border-accent-color-1) calc(100%/6*1),
    var(--border-accent-color-2) calc(100%/6*1),
    var(--border-accent-color-2) calc(100%/6*2),
    var(--border-accent-color-3) calc(100%/6*2),
    var(--border-accent-color-3) calc(100%/6*3),
    var(--border-accent-color-4) calc(100%/6*3),
    var(--border-accent-color-4) calc(100%/6*4),
    var(--border-accent-color-5) calc(100%/6*4),
    var(--border-accent-color-5) calc(100%/6*5),
    var(--border-accent-color-6) calc(100%/6*5)
  );
  --border-accent-image-slice: 1;
  --border-radius-md: 5px;
}

/* BASE */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family-base);
  text-rendering: optimizeLegibility;
  line-height: var(--line-height);
  font-size: var(--font-size-md);
  color: var(--color-text);
  text-decoration-skip-ink: skip-ink;
  -moz-osx-font-smoothing: grayscale;
}

/* Header */
body > header:first-child {
  position: relative;
  border-bottom: var(--border-accent);
  border-image-source: var(--border-accent-image-source);
  border-image-slice: var(--border-accent-image-slice);
}

/* Main */
main {
  max-width: 40em;
  margin: 0 auto;
  padding: var(--spacing-md);
}

/* HEADINGS */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: var(--spacing-lg);
}

h1 {
  font-size: var(--font-size-xl);
}

h2 {
  font-size: var(--font-size-lg);
}

h3 {
  font-size: var(--font-size-md);
}

h4 {
  font-size: var(--font-size-sm);
}

h5 {
  font-size: var(--font-size-xs);
}

h6 {
  font-size: var(--font-size-xxs);
}

/* CONTENT BLOCKS */
p,
blockquote,
ol,
ul,
hr,
table,
pre {
  margin-bottom: var(--spacing-lg);
}

/* Hr / line */
hr {
  clear: both;
  max-width: 50rem;
  height: 0;
  margin: var(--spacing-lg) auto;
  border-top: 0;
  border-right: 0;
  border-bottom: 1px solid var(--color-text);
  border-left: 0;
}

/* Blockquote */
blockquote {
  color: var(--color-gray-600);
  padding: 0 var(--spacing-md);
  border-left: 1px solid currentColor;
}

/* Table */
table {
  border-collapse: collapse;
  width: 100%;
  border-radius: var(--border-radius-md);
}

tbody, tfoot, thead {
  border: 1px solid var(--color-gray);
  background-color: var(--color-white);
}

thead {
  background: var(--color-gray-200);
}

tfoot tr, thead tr {
  background: transparent;
}

tbody tr:nth-child(2n) {
  border-bottom: 0;
  background-color: var(--color-gray);
}

td,
th {
  text-align: left;
  padding: var(--spacing-sm) var(--spacing-sm);
}

tfoot td,
tfoot th,
thead td,
thead th {
  font-weight: 700;
}

/* Lists */
ol,
ul {
  /* list-style-position: inside; */
  margin-left: 1em;
}

/* Code */
code {
  background-color: var(--color-gray);
  border: 1px solid var(--color-gray-500);
  font-family: var(--font-family-code);
  display: inline-block;
  max-width: 100%;
  word-wrap: break-word;
  padding: 0 var(--spacing-sm);
}

pre > code {
  display: block;
}

/* Links */
p a {
  color: var(--color-black);
  text-decoration: underline;
  background-color: var(--color-accent);
}

p a:hover,
p a:focus {
  text-decoration: none;
}

/* Images */
img {
  display: inline-block;
  margin: 0 auto;
}