drupal/core/misc/dropbutton/dropbutton.base-rtl.css

/**
 * @file
 * Base RTL styles for dropbuttons.
 */

/**
 * The dropbutton arrow.
 */
.dropbutton-toggle {
  left: 0;
  right: auto;
}
.dropbutton-arrow {
  left: 0.6667em;
  right: auto;
}
.js .dropbutton-multiple .dropbutton-widget {
  padding-left: 2em;
  padding-right: 0;
}