@media screen and (min-width: 56.875em)	 {
  .site-main {
    -moz-column-count: 2;
    -webkit-column-count: 2;
    column-count: 2;
  }
  .site-main h1 {
    -moz-column-span: all;
    -webkit-column-span: all;
    column-span: all;
  }
  .sidebar, .site-main h1 {
    background-color: #eee;
  }
  .widget {
    padding-left: 10px;
    padding-right: 10px;
  }
}

@media screen and (min-width: 75em) {
  .site-main {
    -moz-column-count: 3;
    -webkit-column-count: 3;
    column-count: 3;
  }
}