.prog-hdr {
 background-color: #1f4a3f;
  background-image: url("https://d293qfd0kygxt9.cloudfront.net/e6b26514-26ed-4ca4-897d-03adae275909.jpg");
  background-repeat: no-repeat;
  background-size: cover;
}

@media (max-width: 640px){
  .prog-hdr{
    Background-size: cover;
    background-position: 40%;
  } 
}