html {
  height: 100%;
  background: #000000;
  margin: 0;
  padding: 0;
}

.wrapper {
  height: 80%;
  margin: 0 auto;
  overflow: hidden;
  padding: 0;
}

.main {
  float: left;
  width: 100%;
  margin: 0 auto;
  padding: 0;
}

.main h1 {
  padding:150px 50px;
  float: left;
  width: 100%;
  font-size: 45px;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  font-weight: 100;
  color: white;
  margin: 0;
}

.main h1.demo1 {
  background: #1ABC9C;
}
.btn {
  width: 200px;
  color: rgb(255, 255, 255);
  border: 4px solid rgb(0, 0, 0);
  background: rgba(3, 3, 3, 0.75);
}
.clear {
  width: auto;
}
.btn:hover, .btn:hover {
  background: #444;
}
.btns {
  width: 410px;
  margin: 50px auto;
}
.back {
  position: absolute;
  top: 0;
  left: 0;
  text-align: center;
  display: block;
  padding: 7px;
  width: 100%;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  background: rgba(255, 255, 255, 0.25);
  font-weight: bold;
  font-size: 13px;
  color: #000;
  -webkit-transition: all 500ms ease-in-out;
  -moz-transition: all 500ms ease-in-out;
  -o-transition: all 500ms ease-in-out;
  transition: all 500ms ease-in-out;
}
.back:hover {
  color: black;
  background: rgba(255, 255, 255, 0.5);
}

header {
  position: relative;
  z-index: 10;
}
.main section .page_container {
  top: 25%;
  height: 100%;
  overflow-y:scroll;
  margin: 0 auto 0;
}
.main section  {
  /*
  overflow: hidden;
  height:50%; !important
  overflow-y:auto;
  color: #808080;
  */
  background: rgb(0, 0, 0);
}

.main section > img {
  /*
  position: absolute;
  max-width: 100%;
  z-index: 1;
  */
}

body.disabled-onepage-scroll .onepage-wrapper  section {
  min-height: 100%;
  height: auto;
}

body.disabled-onepage-scroll .main section .page_container, body.disabled-onepage-scroll .main section.page3 .page_container  {
  padding: 20px;
  margin-top: 150px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

body.disabled-onepage-scroll  section .page_container h1{
  text-align: center;
  font-size: 50px;
}
body.disabled-onepage-scroll section .page_container h2, body.disabled-onepage-scroll section .page_container .credit, body.disabled-onepage-scroll section .page_container .btns{
  text-align: center;
  width: 100%;
}

body.disabled-onepage-scroll .main section.page1 > img {
  position: absolute;
  width: 80%;
  left: 10%;
}

body.disabled-onepage-scroll .main section > img {
  position: relative;
  max-width: 80%;
  bottom: 0;
}
body.disabled-onepage-scroll code {
  width: 95%;
  margin: 0 auto 25px;
  float: none;
  overflow: hidden;
}

body.disabled-onepage-scroll .main section.page3 .page_container {
  width: 90%;
  margin-left: auto;
  margin-right: auto;
  right: 0;
}