html,
body {
  margin: 0;
  padding: 0;
}

body {
  overflow: hidden;
  background-color: black;
}

#scroll_div {
  height: 100vh;
  width: 100vw;
  overflow: auto;
} 

#outer_wrapper {
  height: 10000px;
  width: 100vw;
}

#inner_wrapper {
	position: fixed;
  z-index: -1;
}

* {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}