/**
 * CSS for the admin section of the Config module.
 */
.config-import-single-form textarea,
.config-export-single-form textarea {
  font: 1.2em monospace;
  white-space: pre;
}
.config-diff .config-old,
.config-diff .config-new {
  width: 50%;
}
.diff-context {
  width: 49%;
}
.ui-dialog.config-diff {
  max-width: 95%;
}
@media only screen and (min-width: 768px) {
  .ui-dialog.config-diff {
    max-width: 80%;
  }
}

File

core/modules/config/css/config.admin.css