/* -----------------------------------------------------------------------------
-- // RESETS
----------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body, div, span,
header, nav, main, article, section, aside, footer,
h1, h2, h3, h4, h5, h6,
p. strong, em, b, i, u, a, ol, ul, li,
blockquote, pre, code, hr,
img, picture, audio, video,
table, caption, tbody, tfoot, thead, tr, th, td,
form, input {
  margin: 0;
  padding: 0;
  font: inheirt;
  font-weight: normal;
  line-height: 1.15;
  vertical-align: baseline;
  background: transparent;
  border: 0;
}

header, nav, main, article, section, aside, footer,
blockquote, pre, hr,
img, picture, audio, video,
table,
form {
  display: block;
}

/* -----------------------------------------------------------------------------
-- // VARIABLES
----------------------------------------------------------------------------- */

:root {
  --spacing-unit: 16px;

  --color-font-primary: #2c2c2c;
  --color-font-secondary: #fff;

  --color-background-primary: #272635;
  --color-background-container: #e8e9f3;
  --color-background-container-secondary: #e8e9f32c;
  --color-border: #e8e9f3;

  --color-accent: #f95959;
  --color-link: #272635;
  --color-link-border: #272635;
  --color-link-hover: #272635;
}

/* -----------------------------------------------------------------------------
-- // BASE
----------------------------------------------------------------------------- */

body {
  font-family: sans-serif;
  font-size: 16px;
  background-color: var(--color-background-primary);
}

h1 {
  margin-bottom: var(--spacing-unit);
  font-size: 1em;
  font-weight: bold;
}

ul {
  padding-left: var(--spacing-unit);
  list-style-type: disc;
}
li { margin-bottom: calc(var(--spacing-unit) / 4); }

a {
  padding-top: calc(var(--spacing-unit) / 8);
  color: var(--color-link);
  border-bottom: 1px solid var(--color-link-border);
  text-decoration: none;
}
a:hover {
  color: var(--color-link-hover);
  border-bottom: 1px solid var(--color-accent);
  transition: .4s;
}

/* -----------------------------------------------------------------------------
-- // LAYOUT
----------------------------------------------------------------------------- */

.container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 360px;
}

.browser-size {
  padding: calc(var(--spacing-unit) * 4);
  font-size: 6em;
  color: var(--color-font-secondary);
  text-align: center;
  background-color: var(--color-background-container-secondary);
  border-top: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.content {
  padding-top: var(--spacing-unit);
  padding-right: var(--spacing-unit);
  padding-bottom: calc(var(--spacing-unit) / 2);
  padding-left: var(--spacing-unit);
  color: var(--color-font-primary);
  background: var(--color-background-container);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

/* -----------------------------------------------------------------------------
-- // DIVIDER X
----------------------------------------------------------------------------- */

.divider-x {
  position: relative;
  width: 60px;
  height: 60px;
  margin: 0 auto;
}

.divider-x:before {
  position: absolute;
  left: 28px;
  height: 60px;
  content: '';
  border-left: 8px solid var(--color-accent);
  transform: rotate(-45deg);
}

.divider-x:after {
  position: absolute;
  left: 28px;
  height: 60px;
  content: '';
  border-left: 8px solid var(--color-accent);
  transform: rotate(45deg);
}

/* -----------------------------------------------------------------------------
-- // PARTICLES
----------------------------------------------------------------------------- */

#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  z-index: -10;
  width: 100%;
  height: 100%;
}