body {
    background-image: url("background.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 50% 50% ;
    background-attachment: fixed;
    display: flex;
    flex-direction: column;
    align-items: center;
  
    justify-content: center;
  
  
  }
  
  body {
   height: 2000px;
   width: 100%;
   margin: 0;
   padding: 0;
   overflow: scroll;
  }
  
  .paragraph {
     margin-right: auto;
      margin-left: auto;
      width: 35em
    
  }
  
  .center {
    display: block;
    text-align:center;
    width: 75%;
  }