.jumbotron {
    background-image: url("belly-button-bacteria.jpg");
    background-size: cover;
    height: 100%;
   
  }

  .jumbotron h1{
    color: yellowgreen
    

  }
  .jumbotron p{
    color: yellowgreen

  }
  .story{
    background-image: url("microbes-sem.jpg");
    opacity: 0.6;
    background-color: rgb(245, 245, 241);
  }
  .story h1,p{
    
    color: yellow;
  }
  
  .row{
    background-color: rgb(245, 245, 241)
  }

  .bar
  {
    height: 60%;
    width : 80%
  }
  .bubble
  {
    height: 60%;
  }
  .guage
  {
    height:auto;
  }