chromium/ui/file_manager/file_manager/foreground/elements/files_tooltip.html

<!--
Copyright 2015 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<style>
  :host {
    background-color: var(--cros-sys-on_surface);
    border-radius: 6px;
    box-sizing: border-box;
    color: var(--cros-sys-inverse_on_surface);
    display: flex;
    height: 28px;
    opacity: 0;
    padding: 5px 8px;
    position: absolute;
    transition: opacity 300ms;
    z-index: 1000;
  }

  :host([visible]) {
    opacity: 100%;
  }

  #label,
  #link.link-label {
    align-items: center;
    border-radius: 2px;
    display: inline-flex;
    font: var(--cros-annotation-1-font);
    white-space: nowrap;
  }

  :host(.card-tooltip) {
    background-color: var(--cros-sys-base_elevated);
    border-radius: 8px;
    box-shadow: var(--cros-elevation-1-shadow);
    color: var(--cros-sys-on_surface);
    height: auto;
    margin-top: 4px;
    padding: 16px;
  }

  :host(.link-tooltip) {
    align-items: flex-start;
    flex-direction: column;
  }

  #label.card-label,
  #link.link-label {
    line-height: 18px;
    margin: 0;
    max-width: 192px;
    padding: 0;
    white-space: normal;
  }

  #label.card-label a,
  #link.link-label a {
    color: var(--cros-sys-primary);
  }

  #link {
    display: none;
    text-decoration: none;
  }

  #link:focus-visible {
    outline: 2px solid var(--cros-sys-focus_ring);
  }
</style>
<div id="label"></div>
<a id="link" target="_blank" href="#"></a>