html,
body {
  height: 100%;
}

body {
  background: url('stag_boxes.jpg') no-repeat center;
  background-size: cover;
}

body {
  background-color: #f5f5f5 !important;
  padding-top: 40px;
  padding-bottom: 40px;
}

footer {
  width: 100%;
}