.body-bg-light {
  background: url('img/background1.jpg') no-repeat center center fixed;
  background-size: cover;
  width: 100%;
}
.body-bg-dark {
  background: url('img/background1.jpg') no-repeat center center fixed;
  background-size: cover;
  width: 100%;
  background-blend-mode: multiply; 
  background-color: #261230;
}