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HTML

              
                <div id="page1" class="table page1">
  <h1>Page 1 - <a href="http://www.pmob.co.uk/temp2/scroll-fixed-background.html" target="_blank">Full Page example</a></h1>
  <p>Scroll with mouse or scrolbar to see fixed background scroll if <a href="https://caniuse.com/#feat=css-scroll-behavior">scroll-behaviour</a> not supported.</p>

  <ul>
    <li><a href="#page2">Go to Page 2</a></li>
    <li><a href="#page3">Go to Page 3</a></li>
    <li><a href="#page4">Go to Page 4</a></li>
    <li><a href="#page5">Go to Page 5</a></li>
  </ul>
  <div class="hole"><span></span></div>
</div>
<div id="page2" class="table page2">
  <h2>Page 2</h2>
  <ul>
    <li><a href="#page1">Go to Page 1</a></li>
    <li><a href="#page3">Go to Page 3</a></li>
    <li><a href="#page4">Go to Page 4</a></li>
    <li><a href="#page5">Go to Page 5</a></li>
  </ul>
</div>
<div id="page3" class="table page3">
  <h2>Page 3</h2>
  <ul>
    <li><a href="#page1">Go to Page 1</a></li>
    <li><a href="#page2">Go to Page 2</a></li>
    <li><a href="#page4">Go to Page 4</a></li>
    <li><a href="#page5">Go to Page 5</a></li>
  </ul>
</div>
<div id="page4" class="table page4">
  <h2>Page 4</h2>
  <ul>
    <li><a href="#page1">Go to Page 1</a></li>
    <li><a href="#page2">Go to Page 2</a></li>
    <li><a href="#page3">Go to Page 3</a></li>
    <li><a href="#page5">Go to Page 5</a></li>
  </ul>
</div>

<div id="page5" class="table page5">
  <h2>Page 5</h2>
  <ul>
    <li><a href="#page1">Go to Page 1</a></li>
    <li><a href="#page2">Go to Page 2</a></li>
    <li><a href="#page3">Go to Page 3</a></li>
    <li><a href="#page4">Go to Page 4</a></li>
  </ul>
</div>
              
            
!

CSS

              
                html,
body,
.table {
  margin: 0;
  padding: 0;
  height: 100%;
  height: 100vh;
}
html {
  overflow: hidden;
}
body {
  scroll-behavior: smooth;
  overflow-y: scroll;
  -webkit-overflow-scrolling: touch; /* Lets it scroll lazy */
}
.table {
  width: 100%;
}
h1,
h2 {
  margin: 0;
}
.page1,.page2,.page3,.page4,.page5 {
  background: url(https://picsum.photos/id/1015/2000/1500) no-repeat
    fixed 50%;
  background-size: cover;
}
.page2 {
  background-image:url(https://picsum.photos/id/1014/2000/1500);
}
.page3 {
  background-image: url(https://picsum.photos/id/1013/2000/1500);
}
.page4 {
 background-image: url(https://picsum.photos/id/1012/2000/1500);
}
.page5 {
    background-image: url(https://picsum.photos/id/1011/2000/1500);
}

/* General styling below not needed for demo*/
.hole {
  margin: auto;
  width: 100%;
  padding: 25px 0;
  height: 150px;
  overflow: hidden;
}
.hole span {
  width: 100px;
  height: 100px;
  display: block;
  margin: auto;
  border-radius: 50%;
  background: transparent;
  box-shadow: 0 0 0 999em #fff;
}
h1,
h2 {
  text-align: center;
  font-size: 2rem;
  margin: 0;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.5);
}

ul {
  display: flex;
  max-width: 980px;
  margin: 2rem auto;
  justify-content: space-around;
  padding: 0;
  list-style: none;
}
li {
  background: rgba(0, 0, 0, 0.5);
  padding: 10px;
  border-radius: 10px;
}
ul a {
  display: block;
  padding: 10px 20px;
  background: #000;
  color: #fff;
  font-weight: bold;
  box-shadow: 0 0 10px 10px rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  text-decoration: none;
  text-transform: uppercase;
  transition: all 0.5s ease;
}
a:hover {
  background: #fff;
  color: #000;
}
h1 a {
  font-size: 1.5rem;
  color: #000;
}
p {
  text-align: center;
  padding: 1rem;
  margin: 1rem;
  background: rgba(255, 255, 255, 0.7);
}
p a {
  padding: ;
}
@media screen and (max-width: 767px) {
  h1 a {
    display: block;
  }
  li {
    padding: 0;
  }
  ul a {
    padding: 10px;
  }
}
@media screen and (max-width: 580px) {
  ul {
    display: block;
    border-top: 1px solid #fff;
  }
  li a {
    display: block;
    text-align: center;
    border-radius: 0;
    border-bottom: 1px solid #fff;
  }
}
/* remove fixed attachment for ios when smooth scrolling otherwise it breaks */
@supports (-webkit-overflow-scrolling: touch) {
  .page1,
  .page3,
  .page5 {
    background: none;
  }
  body:after {
    content: "";
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    background: url(https://picsum.photos/id/1015/2000/1500) no-repeat
      50%;
    background-size: cover;
  }
}

              
            
!

JS

              
                // no js required as smooth scrolling is done in css for chrome and Firefox only
              
            
!
999px

Console