:root {
  --color-background: #2E3436;
  --color-foreground: #D3D7CF;
  --color-blue-light: #9CD9F0;
  --color-blue-dark: #72B3CC;
  --color-black-light: #5D5D5D;
  --color-black-dark: #000000;
  --color-white-light: #F7F7F7;
  --color-white-dark: #B0B0B0;
  --spacing-elements: 2rem;
  --spacing-small-elements: 1rem;
  --spacing-large-elements: 4rem;
  --width-border-default: 0.2rem;
  --width-sidebar-max: 15rem;
  --font-family-default: "DejaVu Sans Mono", "Menlo", "Consolas", monospace;
  --font-family-headlines: "Montserrat", "Avenir", "Roboto", sans-serif;
  --font-size-base: 1.5em;
  --font-size-header-base: 2.5em;
  --font-size-header-sub: 1.5em;
  --line-height: 1.33em; }

body {
  font-family: var(--font-family-default);
  font-size: var(--font-size-base);
  background: var(--color-background);
  color: var(--color-foreground);
  margin: 0;
  padding: 0; }

h1 {
  color: var(--color-blue-dark);
  font-family: var(--font-family-headlines);
  font-weight: 300;
  font-size: var(--font-size-header-base);
  letter-spacing: .14em;
  word-spacing: .3em; }

a {
  color: var(--color-wihte-light);
  text-decoration: underline;
  line-height: var(--line-height); }
  a:active, a:visited {
    color: var(--color-wihte-light); }
  a:hover {
    color: var(--color-black-dark);
    background: var(--color-blue-light); }

body > header {
  padding: var(--spacing-small-elements);
  border-bottom: var(--color-blue-light) solid var(--width-border-default); }
  body > header h1 {
    margin: 0; }

body > main > nav {
  border-right: var(--color-blue-light) solid var(--width-border-default); }
  body > main > nav a {
    display: block;
    padding: var(--spacing-small-elements); }

body > main > section {
  padding: var(--spacing-elements); }
  body > main > section header h1 {
    margin: 0; }

article {
  display: grid;
  grid-template-columns: 50em var(--width-sidebar-max);
  -moz-column-gap: var(--spacing-elements);
       column-gap: var(--spacing-elements);
  margin-top: var(--spacing-large-elements); }
  #layout-entryDetail article {
    margin-top: 0; }
  article h1 {
    grid-column: 1 / 3;
    margin-bottom: 0;
    font-size: var(--font-size-header-sub); }
    #layout-entryDetail article h1 {
      margin-top: 0;
      font-size: var(--font-size-header-base); }
  article main {
    margin-top: var(--spacing-elements);
    line-height: var(--line-height); }
    article main h1,
    article main h2,
    article main h3,
    article main h4,
    article main h5,
    article main h6 {
      font-size: calc(var(--font-size-header-sub) - 0.5); }
  article nav {
    grid-row: 2 / 4;
    grid-column: 2; }
    article nav a {
      display: block;
      margin-bottom: var(--spacing-small-elements); }

body > footer {
  padding: var(--spacing-small-elements);
  border-top: var(--color-blue-light) solid var(--width-border-default); }

body > main {
  display: grid;
  grid-template-columns: var(--width-sidebar-max) calc(100% - var(--width-sidebar-max)); }