.featured-top {
  background-image: url("https://static.vliegherrie.nl/maps/laatste0.png");
  background-repeat: no-repeat;
  background-size: cover;
  box-shadow: inset 0 0 0 600px rgba(0,0,0,.2);
  width: 100%;
  background-position:50% 50%;
  background-attachment:fixed;
}


/* ≤1850px */
@media (max-width: 1850px) {
  .featured-top {
    background-position: 50% 70%;
  }
}

/* ≤1500px */
@media (max-width: 1500px) {
  .featured-top {
    background-position: 50% 90%;
  }
}

/* ≤1300px */
@media (max-width: 1300px) {
  .featured-top {
    background-position: 50% 50%;
    background-size: 150%;
  }
}

/* ≤1000px */
@media (max-width: 1000px) {
  .featured-top {
    background-position: 50% 70%;
    background-size: 200%;
  }
}

/* ≤1000px */
@media (max-width: 700px) {
  .featured-top {
    background-position: 50% -100px;
    background-size: cover;
  }
}