.prog-hdr {
 background-color: #379db3;
  background-image: url("https://d1xsukklk7kkxd.cloudfront.net/b5698b1d-3849-4709-9f84-e22575285c27_w1100.png");
  background-repeat: no-repeat;
  background-size: 900px;
  background-position: 40% 50%;
}

@media (max-width: 640px) {
  .prog-hdr{
      background-size: 700px;
   background-position: 150% 30%;
  }
}