main.css

@import url("https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,900");

/*****

Make changes to the CSS Variables below (inside the :root) for easy customization.

Most of the other CSS is for the fade in effect and responsiveness (if used as a landing page)
and for reseting the browser's default stying for elements.

*****/

:root {
	--main-text-color: #F7FAFC;
	--main-bg-color: black; /* Note that the particle effect will override this background */
	--main-font-family: "Source Sans Pro", sans-serif;
}

/*****/

html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

body {
  line-height: 1;
}

ol,
ul {
  list-style: none;
}

blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: "";
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

body {
  -webkit-text-size-adjust: none;
}

mark {
  background-color: transparent;
  color: inherit;
}

input::-moz-focus-inner {
  border: 0;
  padding: 0;
}

input,
select,
textarea {
  -moz-appearance: none;
  -webkit-appearance: none;
  -ms-appearance: none;
  appearance: none;
}

/* Basic */

html {
  box-sizing: border-box;
}

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

body {
	background: var(--main-bg-color);
  overflow: hidden;
}
body.is-preload *,
body.is-preload *:before,
body.is-preload *:after {
  -moz-animation: none !important;
  -webkit-animation: none !important;
  -ms-animation: none !important;
  animation: none !important;
  -moz-transition: none !important;
  -webkit-transition: none !important;
  -ms-transition: none !important;
  transition: none !important;
}

body,
input,
select,
textarea {
  color: var(--main-text-color);
  font-family: var(--main-font-family);
  font-size: 15pt;
  font-weight: 300 !important;
  letter-spacing: -0.025em;
  line-height: 1.75em;
}

a {
  -moz-transition: border-color 0.2s ease-in-out;
  -webkit-transition: border-color 0.2s ease-in-out;
  -ms-transition: border-color 0.2s ease-in-out;
  transition: border-color 0.2s ease-in-out;
  border-bottom: dotted 1px;
  color: inherit;
  outline: 0;
  text-decoration: none;
}

a:hover {
  border-color: transparent;
}

/* BG */

#bg {
	height: 100%;
}

/* Wrapper */

@-moz-keyframes wrapper {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

@-webkit-keyframes wrapper {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

@-ms-keyframes wrapper {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

@keyframes wrapper {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

#wrapper {
  -moz-animation: wrapper 3s forwards;
  -webkit-animation: wrapper 3s forwards;
  -ms-animation: wrapper 3s forwards;
  animation: wrapper 3s forwards;
  height: 100%;
  left: 0;
  opacity: 0;
  position: fixed;
  top: 0;
  width: 100%;
}

/* Main */

#main {
  height: 100%;
  left: 0;
  position: fixed;
  text-align: center;
  top: 0;
  width: 100%;
}

#main:before {
  content: "";
  display: inline-block;
  height: 100%;
  margin-right: 0;
  vertical-align: middle;
  width: 1px;
}

/* Header */

@-moz-keyframes header {
  0% {
    -moz-transform: translate3d(0, 1em, 0);
    -webkit-transform: translate3d(0, 1em, 0);
    -ms-transform: translate3d(0, 1em, 0);
    transform: translate3d(0, 1em, 0);
    opacity: 0;
  }

  100% {
    -moz-transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    -ms-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}

@-webkit-keyframes header {
  0% {
    -moz-transform: translate3d(0, 1em, 0);
    -webkit-transform: translate3d(0, 1em, 0);
    -ms-transform: translate3d(0, 1em, 0);
    transform: translate3d(0, 1em, 0);
    opacity: 0;
  }

  100% {
    -moz-transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    -ms-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}

@-ms-keyframes header {
  0% {
    -moz-transform: translate3d(0, 1em, 0);
    -webkit-transform: translate3d(0, 1em, 0);
    -ms-transform: translate3d(0, 1em, 0);
    transform: translate3d(0, 1em, 0);
    opacity: 0;
  }

  100% {
    -moz-transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    -ms-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}

@keyframes header {
  0% {
    -moz-transform: translate3d(0, 1em, 0);
    -webkit-transform: translate3d(0, 1em, 0);
    -ms-transform: translate3d(0, 1em, 0);
    transform: translate3d(0, 1em, 0);
    opacity: 0;
  }

  100% {
    -moz-transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    -ms-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}

@-moz-keyframes nav-icons {
  0% {
    -moz-transform: translate3d(0, 1em, 0);
    -webkit-transform: translate3d(0, 1em, 0);
    -ms-transform: translate3d(0, 1em, 0);
    transform: translate3d(0, 1em, 0);
    opacity: 0;
  }

  100% {
    -moz-transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    -ms-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}

@-webkit-keyframes nav-icons {
  0% {
    -moz-transform: translate3d(0, 1em, 0);
    -webkit-transform: translate3d(0, 1em, 0);
    -ms-transform: translate3d(0, 1em, 0);
    transform: translate3d(0, 1em, 0);
    opacity: 0;
  }

  100% {
    -moz-transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    -ms-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}

@-ms-keyframes nav-icons {
  0% {
    -moz-transform: translate3d(0, 1em, 0);
    -webkit-transform: translate3d(0, 1em, 0);
    -ms-transform: translate3d(0, 1em, 0);
    transform: translate3d(0, 1em, 0);
    opacity: 0;
  }

  100% {
    -moz-transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    -ms-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}

@keyframes nav-icons {
  0% {
    -moz-transform: translate3d(0, 1em, 0);
    -webkit-transform: translate3d(0, 1em, 0);
    -ms-transform: translate3d(0, 1em, 0);
    transform: translate3d(0, 1em, 0);
    opacity: 0;
  }

  100% {
    -moz-transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    -ms-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}

#header {
  -moz-animation: header 1s 2.25s forwards;
  -webkit-animation: header 1s 2.25s forwards;
  -ms-animation: header 1s 2.25s forwards;
  animation: header 1s 2.25s forwards;
  -moz-backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  -ms-backface-visibility: hidden;
  backface-visibility: hidden;
  -moz-transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  -ms-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
  cursor: default;
  display: inline-block;
  opacity: 0;
  position: relative;
  text-align: center;
  top: -1em;
  vertical-align: middle;
  width: 90%;
}

#header h1 {
  font-size: 4.35em;
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1em;
}

#header p {
  font-size: 1.75em;
  font-weight: 600;
  margin: 0.75em 0 0.25em 0;
  opacity: 1;
}

#header nav {
  margin: 1.5em 0 0 0;
}

#header nav li {
  -moz-animation: nav-icons 0.5s ease-in-out forwards;
  -webkit-animation: nav-icons 0.5s ease-in-out forwards;
  -ms-animation: nav-icons 0.5s ease-in-out forwards;
  animation: nav-icons 0.5s ease-in-out forwards;
  -moz-backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  -ms-backface-visibility: hidden;
  backface-visibility: hidden;
  -moz-transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  -ms-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
  display: inline-block;
  height: 5.35em;
  line-height: 5.885em;
  opacity: 0;
  position: relative;
  top: 0;
  width: 5.35em;
}

#header nav li:nth-child(1) {
  -moz-animation-delay: 2.5s;
  -webkit-animation-delay: 2.5s;
  -ms-animation-delay: 2.5s;
  animation-delay: 2.5s;
}

#header nav li:nth-child(2) {
  -moz-animation-delay: 2.75s;
  -webkit-animation-delay: 2.75s;
  -ms-animation-delay: 2.75s;
  animation-delay: 2.75s;
}

#header nav li:nth-child(3) {
  -moz-animation-delay: 3s;
  -webkit-animation-delay: 3s;
  -ms-animation-delay: 3s;
  animation-delay: 3s;
}

#header nav li:nth-child(4) {
  -moz-animation-delay: 3.25s;
  -webkit-animation-delay: 3.25s;
  -ms-animation-delay: 3.25s;
  animation-delay: 3.25s;
}

#header nav li:nth-child(5) {
  -moz-animation-delay: 3.5s;
  -webkit-animation-delay: 3.5s;
  -ms-animation-delay: 3.5s;
  animation-delay: 3.5s;
}

#header nav li:nth-child(6) {
  -moz-animation-delay: 3.75s;
  -webkit-animation-delay: 3.75s;
  -ms-animation-delay: 3.75s;
  animation-delay: 3.75s;
}

#header nav li:nth-child(7) {
  -moz-animation-delay: 4s;
  -webkit-animation-delay: 4s;
  -ms-animation-delay: 4s;
  animation-delay: 4s;
}

#header nav li:nth-child(8) {
  -moz-animation-delay: 4.25s;
  -webkit-animation-delay: 4.25s;
  -ms-animation-delay: 4.25s;
  animation-delay: 4.25s;
}

#header nav li:nth-child(9) {
  -moz-animation-delay: 4.5s;
  -webkit-animation-delay: 4.5s;
  -ms-animation-delay: 4.5s;
  animation-delay: 4.5s;
}

#header nav li:nth-child(10) {
  -moz-animation-delay: 4.75s;
  -webkit-animation-delay: 4.75s;
  -ms-animation-delay: 4.75s;
  animation-delay: 4.75s;
}

#header nav a {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-touch-callout: none;
  border: 0;
  display: inline-block;
}

#header nav a:before {
  -moz-transition: all 0.2s ease-in-out;
  -webkit-transition: all 0.2s ease-in-out;
  -ms-transition: all 0.2s ease-in-out;
  transition: all 0.2s ease-in-out;
  border-radius: 100%;
  border: solid 1px #fff;
  display: block;
  font-size: 1.75em;
  height: 2.5em;
  line-height: 2.5em;
  position: relative;
  text-align: center;
  top: 0;
  width: 2.5em;
}

#header nav a:hover {
  font-size: 1.1em;
}

#header nav a:hover:before {
  background-color: rgba(255, 255, 255, 0.175);
  color: black;
}

#header nav a:active {
  font-size: 0.95em;
  background: none;
}

#header nav a:active:before {
  background-color: rgba(255, 255, 255, 0.35);
  color: black;
}

#header nav a span {
  display: none;
}

/* Wide */

@media screen and (max-width: 1680px) {
  /* Basic */

  body,
  input,
  select,
  textarea {
    font-size: 13pt;
  }
}

/* Normal */

@media screen and (max-width: 1280px) {
  /* Basic */

  body,
  input,
  select,
  textarea {
    font-size: 12pt;
  }
}

/* Mobile */

@media screen and (max-width: 736px) {
  /* Basic */

  body {
    min-width: 320px;
  }

  body,
  input,
  select,
  textarea {
    font-size: 11pt;
  }

  /* Header */

  #header h1 {
    font-size: 2.5em;
  }

  #header p {
    font-size: 1em;
  }

  #header nav {
    font-size: 1em;
  }

  #header nav a:hover {
    font-size: 1em;
  }

  #header nav a:active {
    font-size: 1em;
  }
}

/* Mobile (Portrait) */

@media screen and (max-width: 480px) {
  /* Header */

  #header nav {
    padding: 0 1em;
  }
}