layout-2-col.css

/**
 * @file
 * This file is used to create the layout when the theme has 2 columns.
 */
/* Large */
@media screen and (min-width: 60rem) { /* 960px */
  .two-columns .main {
    display: flex;
    flex-wrap: wrap;
  }
  .two-columns .main .layout-content,
  .two-columns .main .layout-sidebar {
    flex: 0 1 100%;
  }
  .two-columns .main .layout-content {
    flex: 0 1 72%;
    margin-right: 3%; /* LTR */
  }
  [dir="rtl"] .two-columns .main .layout-content {
    margin-right: 0;
    margin-left: 3%;
  }
  .two-columns .main .layout-sidebar {
    flex: 0 1 25%;
  }
}