<header>

  <!-- First container -->
  <div class="container container_solid">
    <div class="title_wrapper">
      <h1>The Great Outdoors</h1>
    </div>
  </div>

  <!-- Second container -->
  <div class="container container_image">
    <div class="title_wrapper">
      <h1>The Great Outdoors</h1>
    </div>
  </div>

</header>

.container {
  /* hide fixed overflow contents */
  clip: rect(0, auto, auto, 0);
  
  /* safari hack */
  -webkit-mask-image: -webkit-linear-gradient(top, #ffffff 0%,#ffffff 100%);

  /* does not work if overflow = visible */
  overflow: hidden;

  /* only works with absolute positioning */
  position: absolute;

  /* Make sure containers are full-width and height */
  height: 100vh;
  left: 0;
  width: 100%;
}

.container_solid {
  background: white;
  
  /* position this container at the top of its parent element */
  top: 0;
}

.title_wrapper {
  position: fixed;
  display: block;  
  margin: auto;
  width: 100%;
  /* center the text wrapper vertically */
  top: 50%;
  -webkit-transform: translateY(-50%);
      -ms-transform: translateY(-50%);
          transform: translateY(-50%);
}

.title_wrapper h1 {
  text-align: center;
}

.container_solid .title_wrapper h1 {
  /* the text background */
  background: url(https://images.unsplash.com/photo-1575058752200-a9d6c0f41945?&q=85);
  background-size: 100vw auto;
  background-position: center;
  
  /* clip the text is possible */
  text-fill-color: transparent;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  -webkit-background-clip: text;
  
  /* fallback text color */
  color: black;
}

.container_image {
  /* Grab a free image from unsplash */
  background-image: url(https://images.unsplash.com/photo-1575058752200-a9d6c0f41945?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ);
  background-size:100vw auto;
  background-position: center;
  background-attachment: fixed;
  
  /* position the second container below the first container */
  top: 100vh;
}

.container_image .title_wrapper h1 {
  color: white;
}