.section-background {
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
    height: 100vh;
    width: 100%;
    color: #FFFFFF;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .parallax0 {
    background-image: url("../img/parallax-1.jpg");
    background-color: #F5F5F5;
    width: 100%;
    height: 50vh;

  }
  .parallax1 {
    background-image: url("../img/parallax-2.jpg");
    background-color: #01192D;
    width: 100%;
    height: 50vh;
  }
  .parallax2 {
    background-image: url("../img/parallax-3.jpg");
    background-color: #01192D;
    width: 100%;
    height: 50vh;
  }
  .parallax3 {
    background-image: url("../img/parallax-1.jpg");
    width: 100%;
    height: 50vh;
  }