style.css

/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/

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;
}
/* HTML5 display-role reset for older browsers */
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;
}

/* CUSTOM STYLE */

body {
  background: black;
  color: white;
  font-family: Helvetica, sans-serif;
  text-align: center;
  padding: 25px 0;
}

a {
  color: white;
  cursor: pointer;
}

a:hover {
  text-decoration: underline;
}

section {
  padding-bottom: 9em;
  padding-left: 20px;
  padding-right: 20px;
}

section:first-child {
  padding: 0;
}

section:last-child {
  padding: 0;
}

.section-white {
  background: white;
  padding: 2em;
  margin-bottom: 7em;
}

h1 {
  font-size: 3.5rem;
  padding-top: 40px;
}

h3 {
  font-size: 2rem;
  padding: 10px;
  border-bottom: 1px solid white;
  border-top: 1px solid white;
  border-radius: 4px;
  max-width: 200px;
  margin: 25px auto 30px;
  font-weight: bold;
}

.section-white h3 {
  color: black;
  border-bottom: 1px solid black;
  border-top: 1px solid black;
  border-radius: 4px;
  margin-top: 10px;
  margin-bottom: 40px;
}

p {
  font-size: 1.2rem;
  padding-bottom: 15px;
  line-height: 1.2;
  max-width: 700px;
  margin: 0 auto;
}

.main-logo {
  max-height: 500px;
}

.arrow-up {
  height: 24px;
  width: 24px;
  margin-top: 35px;
}