App.scss

@media (max-width: 767.98px) { 
  body {
    padding-top: 10px;
    padding-bottom: 10px;
    margin: 'auto'

  }
 }

@media (min-width: 768px) {
  body {
    padding-top: 20px;
    padding-bottom: 20px;
    margin: 'auto'

  }

 }