@wordpress/block-library/build-style/navigation-link/editor.css

/**
 * Colors
 */
/**
 * Breakpoints & Media Queries
 */
/**
 * SCSS Variables.
 *
 * Please use variables from this sheet to ensure consistency across the UI.
 * Don't add to this sheet unless you're pretty sure the value will be reused in many places.
 * For example, don't add rules to this sheet that affect block visuals. It's purely for UI.
 */
/**
 * Colors
 */
/**
 * Fonts & basic variables.
 */
/**
 * Grid System.
 * https://make.wordpress.org/design/2019/10/31/proposal-a-consistent-spacing-system-for-wordpress/
 */
/**
 * Dimensions.
 */
/**
 * Shadows.
 */
/**
 * Editor widths.
 */
/**
 * Block & Editor UI.
 */
/**
 * Block paddings.
 */
/**
 * React Native specific.
 * These variables do not appear to be used anywhere else.
 */
/**
*  Converts a hex value into the rgb equivalent.
*
* @param {string} hex - the hexadecimal value to convert
* @return {string} comma separated rgb values
*/
/**
 * Breakpoint mixins
 */
/**
 * Long content fade mixin
 *
 * Creates a fading overlay to signify that the content is longer
 * than the space allows.
 */
/**
 * Focus styles.
 */
/**
 * Applies editor left position to the selector passed as argument
 */
/**
 * Styles that are reused verbatim in a few places
 */
/**
 * Allows users to opt-out of animations via OS-level preferences.
 */
/**
 * Reset default styles for JavaScript UI based pages.
 * This is a WP-admin agnostic reset
 */
/**
 * Reset the WP Admin page styles for Gutenberg-like pages.
 */
/**
* Submenus.
*/
.wp-block-navigation .has-child {
  cursor: pointer;
}
.wp-block-navigation .has-child .wp-block-navigation__submenu-container {
  z-index: 28;
}
.wp-block-navigation .has-child:hover .wp-block-navigation__submenu-container {
  z-index: 29;
}
.wp-block-navigation .has-child.is-selected > .wp-block-navigation__submenu-container, .wp-block-navigation .has-child.has-child-selected > .wp-block-navigation__submenu-container {
  visibility: visible !important;
  opacity: 1 !important;
  min-width: 200px !important;
  height: auto !important;
  width: auto !important;
  overflow: visible !important;
}

/**
 * Navigation Items.
 */
.wp-block-navigation-item .wp-block-navigation-item__content {
  cursor: text;
}
.wp-block-navigation-item.is-editing, .wp-block-navigation-item.is-selected {
  min-width: 20px;
}
.wp-block-navigation-item .block-list-appender {
  margin-top: 16px;
  margin-right: auto;
  margin-bottom: 16px;
  margin-left: 16px;
}

.wp-block-navigation-link__invalid-item {
  color: #000;
}

.wp-block-navigation-link__missing_text-tooltip {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
}

/**
 * Menu item setup state. Is shown when a menu item has no URL configured.
 */
.wp-block-navigation-link__placeholder {
  position: relative;
  text-decoration: none !important;
  box-shadow: none !important;
  background-image: none !important;
}
.wp-block-navigation-link__placeholder .wp-block-navigation-link__placeholder-text span {
  --wp-underline-color: var(--wp-admin-theme-color);
  background-image: linear-gradient(45deg, transparent 20%, var(--wp-underline-color) 30%, var(--wp-underline-color) 36%, transparent 46%), linear-gradient(135deg, transparent 54%, var(--wp-underline-color) 64%, var(--wp-underline-color) 70%, transparent 80%);
  background-position: 0 100%;
  background-size: 6px 3px;
  background-repeat: repeat-x;
  padding-bottom: 0.1em;
}
.is-dark-theme .wp-block-navigation-link__placeholder .wp-block-navigation-link__placeholder-text span {
  --wp-underline-color: #fff;
}
.wp-block-navigation-link__placeholder.wp-block-navigation-item__content {
  cursor: pointer;
}

/**
* Link Control Transforms
*/
.link-control-transform {
  border-top: 1px solid #ccc;
  padding: 0 16px 8px 16px;
}

.link-control-transform__subheading {
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 500;
  color: #1e1e1e;
  margin-bottom: 1.5em;
}

.link-control-transform__items {
  display: flex;
  justify-content: space-between;
}

.link-control-transform__item {
  flex-basis: 33%;
  flex-direction: column;
  gap: 8px;
  height: auto;
}