chromium/ash/webui/common/resources/cr_elements/cr_link_row/cr_link_row.html

<style include="cr-actionable-row-style cr-shared-style cr-hidden-style">
  :host {
    box-sizing: border-box;
    flex: 1;
    font-family: inherit;
    font-size: 100%;  /* Specifically for Mac OSX, harmless elsewhere. */
    line-height: 154%;  /* 20px. */
    min-height: var(--cr-section-min-height);
    padding: 0;
  }

  :host(:not([embedded])) {
    padding: 0 var(--cr-section-padding);
  }

  #startIcon {
    --iron-icon-fill-color: var(--cr-link-row-start-icon-color,
        var(--google-grey-700));
    display: flex;
    flex-shrink: 0;
    padding-inline-end: var(--cr-icon-button-margin-start);
    width: var(--cr-link-row-icon-width, var(--cr-icon-size));
  }

  @media (prefers-color-scheme: dark) {
    #startIcon {
      --iron-icon-fill-color: var(--cr-link-row-start-icon-color,
          var(--google-grey-500));
    }
  }

  #labelWrapper {
    flex: 1;
    flex-basis: 0.000000001px;
    padding-bottom: var(--cr-section-vertical-padding);
    padding-top: var(--cr-section-vertical-padding);
    text-align: start;
  }

  #label,
  #subLabel {
    display: flex;
  }

  #buttonAriaDescription {
    clip: rect(0,0,0,0);
    display: block;
    position: fixed;
  }
</style>
<iron-icon id="startIcon" icon="[[startIcon]]" hidden="[[!startIcon]]"
    aria-hidden="true">
</iron-icon>
<div id="labelWrapper" hidden="[[hideLabelWrapper_]]">
  <div id="label" aria-hidden="[[!ariaShowLabel]]">
    [[label]]
    <slot name="label"></slot>
  </div>
  <div id="subLabel" class="cr-secondary-text"
      aria-hidden="[[!ariaShowSublabel]]">
    [[subLabel]]
    <slot name="sub-label"></slot>
  </div>
</div>
<slot></slot>
<div id="buttonAriaDescription" aria-hidden="true">
  [[computeButtonAriaDescription_(external, buttonAriaDescription)]]
</div>
<cr-icon-button id="icon" iron-icon="[[getIcon_(external)]]" role="link"
    part="icon" aria-roledescription$="[[roleDescription]]"
    aria-describedby="buttonAriaDescription"
    aria-labelledby="label subLabel" disabled="[[disabled]]">
</cr-icon-button>