* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-weight: 300;
  line-height: 34px;
  letter-spacing: .02em;
}

a {
  color: inherit;
  text-decoration: none;
}

/* You can change the font name below */
html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  float: left;
  display: block;
  font-family: "Montserrat",Andale Mono,helvetica, sans-serif;
  font-size: 1rem;
}

body {
  color: #fff;
  background: #000;
}

/* Landing layout */
.wrapper {
  padding: 2em 1em;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  float: left;
  display: block;
  text-align: center;
  overflow: hidden;
  overflow-y: scroll;
  /* This is a trick to get a background image with an opacity (http://css-tricks.com/snippets/css/transparent-background-images/) 

  I use it to have a darken background, to manage the contrast easily between the text and the background color */
}
.wrapper:after {
  content: '';
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  float: left;
  display: block;
  background: url(https://imagizer.imageshack.us/v2/1280x960q50/r/703/mld1.png) no-repeat center center;
  background-size: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  opacity: .65;
}
.wrapper header {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  float: left;
  display: block;
  height: 10em;
  display: block;
}
.wrapper header h1 {
  line-height: 6;
  text-shadow: 0 0.1em 0 rgba(0, 0, 0, 0.8);
}
.wrapper .presentation {
  width: 80%;
  margin: 18em auto;
}
.wrapper .presentation figure {
  -webkit-transition: all 0.4s ease;
  -moz-transition: all 0.4s ease;
  transition: all 0.4s ease;
}
.wrapper .presentation figure img {
  width: 33%;
  display: block;
  float: left;
  box-shadow: 0 0 2em rgba(0, 0, 0, 0.6);
}
.wrapper .presentation figure:nth-child(1) {
  z-index: 1;
}
.wrapper .presentation figure:nth-child(2) {
  z-index: 2;
  -webkit-transform: scale(1.4) translateY(-1em);
  -moz-transform: scale(1.4) translateY(-1em);
  -ms-transform: scale(1.4) translateY(-1em);
  -o-transform: scale(1.4) translateY(-1em);
  transform: scale(1.4) translateY(-1em);
}
.wrapper .presentation figure:nth-child(3) {
  z-index: 1;
}

footer {
  width: 100%;
  clear: both;
  display: block;
  position: absolute;
  bottom: 1em;
}
footer .watermark {
  width: 25px;
  height: 20px;
  padding: 5px;
  display: inline-block;
  background: url("http://puu.sh/7DSjy.png") no-repeat center center;
  background-size: contain;
}

@media all and (max-width: 50em) {
  .wrapper {
    padding-bottom: 10em;
  }
  .wrapper .presentation figure {
    min-width: 100%;
    width: 100%;
    margin: auto auto 1em;
    position: relative;
    z-index: 4;
    -webkit-transform: scale(1) translateY(1em);
    -moz-transform: scale(1) translateY(1em);
    -ms-transform: scale(1) translateY(1em);
    -o-transform: scale(1) translateY(1em);
    transform: scale(1) translateY(1em);
  }
  .wrapper .presentation figure:nth-child(2) {
    z-index: 4;
    -webkit-transform: scale(1) translateY(1em);
    -moz-transform: scale(1) translateY(1em);
    -ms-transform: scale(1) translateY(1em);
    -o-transform: scale(1) translateY(1em);
    transform: scale(1) translateY(1em);
  }
  .wrapper .presentation figure:nth-child(3) {
    z-index: 4;
  }
  .wrapper .presentation figure img {
    z-index: 4;
    display: block;
    min-width: 100%;
    width: 100%;
    margin: 0 auto 1em;
  }

  footer {
    bottom: 0;
    float: left;
    z-index: 1;
  }
}