@vaadin/vaadin-lumo-styles/src/components/item.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_components_item {
  :host {
    display: flex;
    align-items: center;
    box-sizing: border-box;
    font-family: var(--lumo-font-family);
    font-size: var(--lumo-font-size-m);
    line-height: var(--lumo-line-height-xs);
    padding: 0.5em calc(var(--lumo-space-l) + var(--lumo-border-radius-m) / 4) 0.5em
      var(--_lumo-list-box-item-padding-left, calc(var(--lumo-border-radius-m) / 4));
    min-height: var(--lumo-size-m);
    outline: none;
    border-radius: var(--lumo-border-radius-m);
    cursor: var(--lumo-clickable-cursor);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: var(--lumo-primary-color-10pct);
    --_focus-ring-color: var(--vaadin-focus-ring-color, var(--lumo-primary-color-50pct));
    --_focus-ring-width: var(--vaadin-focus-ring-width, 2px);
    --_selection-color-text: var(--vaadin-selection-color-text, var(--lumo-primary-text-color));
  }

  :host([hidden]) {
    display: none !important;
  }

  /* Checkmark */
  [part='checkmark']::before {
    display: var(--_lumo-item-selected-icon-display, none);
    content: var(--lumo-icons-checkmark);
    font-family: lumo-icons;
    font-size: var(--lumo-icon-size-m);
    line-height: 1;
    font-weight: normal;
    width: 1em;
    height: 1em;
    margin: calc((1 - var(--lumo-line-height-xs)) * var(--lumo-font-size-m) / 2) 0;
    color: var(--_selection-color-text);
    flex: none;
    opacity: 0;
    transition:
      transform 0.2s cubic-bezier(0.12, 0.32, 0.54, 2),
      opacity 0.1s;
  }

  :host([selected]) [part='checkmark']::before {
    opacity: 1;
  }

  :host([active]:not([selected])) [part='checkmark']::before {
    transform: scale(0.8);
    opacity: 0;
    transition-duration: 0s;
  }

  [part='content'] {
    flex: auto;
  }

  /* Disabled */
  :host([disabled]) {
    color: var(--lumo-disabled-text-color);
    cursor: default;
    pointer-events: none;
  }

  /* TODO a workaround until we have "focus-follows-mouse". After that, use the hover style for focus-ring as well */
  @media (any-hover: hover) {
    :host(:hover:not([disabled])) {
      background-color: var(--lumo-primary-color-10pct);
    }
  }

  :host([focus-ring]:not([disabled])) {
    box-shadow: inset 0 0 0 var(--_focus-ring-width) var(--_focus-ring-color);
  }

  /* RTL specific styles */
  :host([dir='rtl']) {
    padding-left: calc(var(--lumo-space-l) + var(--lumo-border-radius-m) / 4);
    padding-right: var(--_lumo-list-box-item-padding-left, calc(var(--lumo-border-radius-m) / 4));
  }

  /* Slotted icons */
  :host ::slotted(vaadin-icon) {
    width: var(--lumo-icon-size-m);
    height: var(--lumo-icon-size-m);
  }
}