@vaadin/vaadin-lumo-styles/src/mixins/combo-box-overlay.css

Lumo is a design system foundation for modern web applications, used by Vaadin components

/**
 * @license
 * Copyright (c) 2017 - 2026 Vaadin Ltd.
 * This program is available under Apache License Version 2.0, available at https://vaadin.com/license/
 */
@media lumo_mixins_combo-box-overlay {
  [part='content'] {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 0;
  }

  /* When items are empty, the spinner needs some room */
  :host(:not([closing])) [part='content'] {
    min-height: calc(2 * var(--lumo-space-s) + var(--lumo-icon-size-s));
  }

  [part='overlay'] {
    position: relative;
  }

  :host([top-aligned]) [part='overlay'] {
    margin-top: var(--lumo-space-xs);
  }

  :host([bottom-aligned]) [part='overlay'] {
    margin-bottom: var(--lumo-space-xs);
  }
}