index.css

/*
 * Base styles
 */

body, html {
  background-color: #FFFCFF;
  font-family: "Inconsolata", monospace;
  font-size: 16px;
  color: #282629;
}

::selection {
  background-color: #EE4EB8;
  color: #FFFCFF;
}

a {
  text-decoration: none;
}

.link:link,
.link:visited {
  color: #282629;
  border-bottom: 1px solid currentColor;
  transition: color 300ms ease, border-bottom-color 300ms ease;
}
.link:hover,
.link:active {
  color: #474247;
  border-bottom-color: #1FC598;
}

.button-wrapper,
.sponsor-wrapper {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
}

.button {
  font-size: 1.33rem;
  background-color: #97BD2D;
  color: #FFFCFF;
  padding: 0.75em 1em;
  border-radius: 0.5em;
  position: relative;
  z-index: 1;
  transition: box-shadow 300ms ease;
}

.button:hover {
  box-shadow: 0 0.125em 1em 0.125em rgba(151, 189, 45, 0.5);
}

.button--secondary {
  font-size: 1rem;
  background-color: #53A6E1;
}

.button--secondary:hover {
  box-shadow: 0 0.125em 1em 0.125em rgba(83, 166, 225, 0.5);
}

/*
 * Header
 */

.header-content {
  margin: 1rem 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.header-content::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1rem;
  left: 0;
  height: 1px;
  background-image: linear-gradient(
    to right,
    #F03E4D,
    #F37735,
    #EEBA21,
    #97BD2D,
    #1FC598,
    #53A6E1,
    #BF65F0,
    #EE4EB8,
    #F03E4D
  );
  background-size: 40rem;
}

.header-content__logo {
  width: 3rem;
  height: 3rem;
}

h1 {
  flex: 1 0 auto;
  font-size: 1.33rem;
  margin-left: 0.33rem;
}

nav {
  text-align: right;
  margin-left: 1rem;
}

.nav-section {
  display: inline-block;
  padding: 0.25rem;
  border-radius: 0.125rem;
}

.nav-section-child:first-child {
  margin-right: 0.25rem;
}

.nav-section__label {
  font-size: 0.75em;
  color: #FFFCFF;
  padding: 0.25em 0.4em;
  border-radius: 0.125rem;
}

.nav-section--gui .nav-section__label {
  background-color: #97BD2D;
}

.nav-section--cli .nav-section__label {
  background-color: #53A6E1;
}

/*
 * Intro
 */

.intro {
  padding-bottom: 5rem;
}

h2 {
  font-size: 2rem;
  text-align: center;
  margin: 2rem 0;
}

video {
  width: 100%;
}

.product-hunt-well {
  border: 1px solid #847E85;
  padding: 1rem;
  margin-top: 1.78rem;
  border-radius: 2px;
  overflow: hidden;
}

.product-hunt-well span {
  display: inline-block;
  margin-bottom: 0.75rem;
}

/*
 * Features
 */

.feature {
  position: relative;
  padding: 5rem 0;
}

.feature::before {
  content: "";
  position: absolute;
  top: 0;
  width: 100%;
  height: 110%;
  transform: skewY(3deg);
}

.feature > * {
  position: relative;
}

.feature--themes::before {
  background-color: #E0DCE0;
}

.feature--apps::before {
  background-color: #C1BCC2;
}

.feature--wallpaper::before {
  background-color: #A29DA3;
}

.feature--cli::before {
  background-color: #847E85;
}

.feature--sponsor::before {
  background-color: #656066;
}

.feature--download::before {
  background-color: #474247;
  height: 150%;
}

h3 {
  margin: 0 0 2rem;
  font-size: 1.33rem;
  text-align: center;
}

.feature__notes {
  display: flex;
  justify-content: center;
}

h4 {
  margin: 0 0 0.5rem;
}

ul {
  list-style-type: circle;
}

ul li {
  margin-left: 1rem;
  line-height: 1.33;
}

img {
  max-width: 100%;
}

/*
 * Footer
 */

footer {
  position: relative;
  color: #C1BCC2;
  background-color: #282629;
  padding: 5rem 0;
}

footer a {
  color: #FFFCFF;
}

.footer--text--container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.legal {
  font-size: 0.75rem;
  margin-top: 0.33rem;
  color: #656066;
}