html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow-x: hidden;
}

.background-image {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1; /* Place behind everything */
  background-image: url('Background.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.content {
  position: relative;
  z-index: 1;
  padding: 2rem;
  color: black; /* Or whatever contrasts with your background */
}