body {
 
  background-image: url(MitchitecLogoBlack2020Render.png);
  
  
  background-position: center center;
  

  background-repeat: no-repeat;
  
 
  background-attachment: fixed;
  
  
  background-size: cover;
  
 
  background-color:#000;
  
  
}


@media only screen and (max-width: 767px) {
  body {
    background-image: url(MitchitecLogoBlack2020Render_mobile.png);
  }
}

/*

body {
  background-color: lightgreen;
}

@media only screen and (max-width: 600px) {
  body {
    background-color: lightblue;
  }
}

*?