Lexiconga/src_2.x/scss/mobile/_containers.scss

@media (max-width: 750px) {

html, body {
  font-size: 12pt;
  line-height: 1;
}

header {
  &#top {
    margin-bottom: $general-padding;
  }
}

main {
  margin-bottom: $general-padding;
  
  #sideColumn {
    display: block;
    width: 0;
    margin: 0;
    overflow: visible;
  }

  #mainColumn {
    width: 100%;
    margin: 0;
  }

  article {
    dl {
      padding: 0 calc($general-padding / 2);

      dd {
        margin: 0 ($general-padding * 0.75);
      }
    }
  }
}

}