.my-div {
  background-image: url('assets/images/safetysecuritybanner.png');
  background-size: cover;    /* Scales the image to cover the entire div */
  background-position: center; /* Centers the image within the div */
  background-repeat: no-repeat; /* Prevents the image from tiling */
  height: 300px;             /* Ensure the div has a height to show the background */
}