#content {
  background-image: url("../Images/Backgrounds/STR-Background.jpg");
  padding: 20px;
}

@media only screen and (max-width: 900px) {
  #str-table {
    display: block;
  }
  #str-table td {
    display: block;
  }
  #str-table td img {
    display: inline-block;
    margin: 2% 25% !important;
    width: 50% !important;
  }
}