html{
    padding: 0 0;
    height: 100%;
  }
  body{
    margin: 0;
    height: 100%;
  }

@media screen and (min-width:20em) {
  html{

  }
  body{
    /*padding: 1.5% 5%;*/
    /*margin: 0 -1em;*/
  }
}

@media screen and (min-width:40em) {
  html{
    /*padding: 0 10em;*/
  }
  body{
    /*padding: 3% 12%;*/
    /*margin: 0 -10em;*/
  }
}