style.css

body {
  /* Location of the image */
  background-image: url(background.jpg);

  /* Image is centered vertically and horizontally at all times */
  background-position: center center;

  /* Image doesn't repeat */
  background-repeat: no-repeat;

  /* Makes the image fixed in the viewport so that it doesn't move when
     the content height is greater than the image height */
  background-attachment: fixed;

  /* This is what makes the background image rescale based on its container's size */
  background-size: cover;

  /* Pick a solid background color that will be displayed while the background image is loading */
  background-color:#464646;

  /* SHORTHAND CSS NOTATION
   * background: url(background-photo.jpg) center center cover no-repeat fixed;
   */
}

html, body, .container {
  height: 100%;
}

/* Reset */
html, body, h1, p, a, div, section {
  margin: 0;
  padding: 0;
  font-size: 100%;
  font: inherit;
}

/* Basic */
body {
  font: 18px/23px "Lato", sans-serif;
  color: #ffffff;
  overflow: hidden;
}

h1 {
  color: #ffffff;
  text-transform: uppercase;
  font-size: 70px;
  line-height: 70px;
  font-weight: 400;
  margin-top: 20px;
}

a {
  color: #ffffff;
  font-weight: bold;
  text-decoration: none;
}

a.twitter {
  color: #1dcaff;
  text-shadow: none;
}

a.youtube {
  color: #ea1920;
  text-shadow: none;
}

p {
  margin: 0 0 15px 0;
}

strong {
  font-weight: 700;
}

.container {
  display: table;
  padding-top: 80px;
  width: 100%;
}

.content {
  display: table-cell;
  vertical-align: middle;
  text-align: center;
  text-shadow: 1px 1px 5px black;
}

/* Special */
.sub-title {
  margin: 30px auto;
  font-size: 35px;
  line-height: 35px;
  text-transform: uppercase;
  margin-top: 5px;
}

.sub-title span {
  font-size: 18px;
  line-height: 1px;
  text-transform: initial;
}

.button {
  display: inline-block;
  padding: 6px 10px;
  color: #cafaea;
  border: 1px solid #cafaea;
  border-radius: 3px;
  font-weight: 700;
  line-height: normal;
  text-decoration: none;
  text-align: center;
  text-transform: uppercase;
}

/* For mobile devices */
@media only screen and (max-width: 967px) {

  .sub-title {
    font-size: 20px;
  }

  .sub-title span {
    font-size: 17px;
    line-height: 1px;
    text-transform: capitalize;
  }
}

.newsletter {
  overflow: hidden;
  width: 400px;
  margin: 0 auto;
  position: relative;
  border-radius: 5px;
}