A CodePen by PrithvirajBilla. Fixed image backgrounds

index.html

<header>
  <a href="#" id="logo">Logo</a>
</header>

<section id="hero1" class="hero">
  <div class="inner">
    <div class="copy">
    <h1>Choice mountains bro</h1>
    <p>Its like im actually there! But sitting at a computer. Wow, the future is intense!</p>
    </div>
  </div>
</section>

<section class="content">
  <div class="inner">
    <div class="copy">
    <h1>Amazing copy!</h1>
    <p>The words are like jumping out at me man! </p>
    </div>
  </div>
</section>

<section id="hero2" class="hero">
  <div class="inner">
    <div class="copy">
    <h1>Dem some big ass caves</h1>
    <p>You could probably fit in there ;)</p>
    </div>
  </div>
</section>
  
<section class="content">
  <div class="inner">
    <div class="copy">
    <h1>An inspiring quote</h1>
      <p>/-- file not found --/</p>
    </div>
  </div>
</section>

<link href='http://fonts.googleapis.com/css?family=Roboto+Slab:400,700' rel='stylesheet' type='text/css'>
<link href='http://fonts.googleapis.com/css?family=Noto+Sans' rel='stylesheet' type='text/css'>

style.scss

@import "compass";
html, body{
  margin:0px; padding:0px;
}

*, *:after, *:before {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

header{
  z-index: 1;
  position:fixed; 
  width:100%; 
  height:60px; 
  background:rgba(0,0,0,0.1);
}

header a{
  color:white;
  background:rgba(0,0,0,0.1); 
  display:inline-block; 
  padding:0px 30px; 
  height:60px;
  line-height:60px; 
  text-align:center;
  font-family: 'Roboto Slab', serif; 
  text-decoration:none;
  text-transform:uppercase; 
  letter-spacing:2px; 
  font-weight:700;
}
#hero1{
 background:url(http://4.bp.blogspot.com/_AQ0vcRxFu0A/S9shDGGyMTI/AAAAAAAAAYk/kn3WTkY2LoQ/s1600/IMG_0714.JPG);
  background-size:cover;
  background-position:center center;
  background-attachment:fixed;
}
#hero2{background: url(http://nexttriptourism.com/wp-content/uploads/2013/02/Natural-Underground-Rivers.jpg);
  background-size:cover;
  background-position:center center;
  background-attachment:fixed;
}
.hero, .content{
  text-align:center; 
  position:relative;
  width: 100%;
}

.inner{
  min-height:600px;
  position: relative;
}

.hero .inner{
  background: rgba(0,0,0,0.7) url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAACCAYAAACddGYaAAAAD0lEQVQIW2NkQABjRmQOAAM+AGkQsDBSAAAAAElFTkSuQmCC) repeat;}


.copy{
  position:absolute; 
  top:50%; 
  height:10em; 
  margin-top:-5em; 
  width:100%;
}

.hero h1, .hero p{ 
  color:#fff;
}

.content h1, .content p{
  color:#333;
}

h1{
  margin:0px;
  font-family: 'Roboto Slab', serif;
  font-weight:400;
  font-size:32px;
  padding:0px 20px;
}

p{
  font-family: 'Noto Sans', sans-serif; 
  font-size:14px;
  padding:0px 20px;
}