chromium/ash/webui/personalization_app/resources/js/keyboard_backlight/color_selector_element.html

<style include="common">
  #selector {
    display: flex;
    flex-flow: row wrap;
    margin-top: 14px;
    position: relative;
  }

  #wallpaperIconAndDesc {
    column-gap: 5.5px;
    display: flex;
    flex-flow: row wrap;
  }

  #wallpaperColorDescription {
    color: var(--cros-text-color-secondary);
    font: var(--cros-body-2-font);
    height: 48px;
    line-height: 48px;
  }

  .divider {
    align-self: center;
    border-inline-start: 1px solid var(--cros-separator-color);
    height: 20px;
  }

  .selectable color-icon:focus-visible {
    border-radius: 50%;
    outline: 2px solid var(--cros-focus-ring-color);
    outline-offset: -2px;
  }

  #toast {
    cursor: default;
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--color-container-size);
    z-index: 1;
  }

  #toastDot {
    background-color: var(--cros-button-background-color-primary);
    border-radius: 100%;
    height: 8px;
    margin-block-end: 5px;
    margin-inline-start: 20px;
    width: 8px;
  }

  #toastContent {
    align-items: center;
    background-color: var(--cros-button-background-color-primary);
    border-radius: 20px;
    display: flex;
    flex-direction: row;
    padding: 8px 0;
  }

  #toastContent > svg {
    fill: var(--cros-button-label-color-primary);
    padding: 0 14px;
  }

  #toastContent span {
    color: var(--cros-button-label-color-primary);
    font: var(--cros-body-2-font);
    margin-inline-end: 14px;
  }

  ::slotted(.customization-button-container) {
    align-self: center;
    display: flex;
    margin-inline-start: auto;
  }

  @media (max-width: 690px) {
    #selector {
      column-gap: 11px;
    }

    :host-context(zone-customization) #selector {
      column-gap: 0;
    }

    #toast.multizone-supported {
      top: calc(var(--color-container-size) * 2);
    }
  }

  @media (max-width: 823px) and (min-width: 691px) {
    #wallpaperIconAndDesc {
      flex-flow: column wrap;
    }

    #wallpaperColorDescription {
      height: auto;
      line-height: 12px;
      margin-inline-start: -18px;
    }

    ::slotted(.customization-button-container) {
      margin-block-start: -12px;
    }

    #toast.multizone-supported {
      top: calc(var(--color-container-size) + 20px);
    }
  }
</style>
<div id="container">
  <iron-a11y-keys id="keys" keys="left right enter" on-keys-pressed="onKeysPress_">
  </iron-a11y-keys>
  <iron-selector id="selector" selected="0" selectable=".selectable"
      selected-item="{{ironSelectedColor_}}"
      role="radiogroup" aria-label="[[getColorSelectorAriaLabel_()]]">
    <template is="dom-if" if="[[!isMultiZoneRgbKeyboardSupported_]]">
      <div id$="[[wallpaperColorId_]]"
          class$="[[getWallpaperColorContainerClass_(selectedColor)]]"
          on-click="onWallpaperColorSelected_"
          on-keypress="onWallpaperColorSelected_">
        <color-icon
            tabindex="0"
            aria-label="$i18n{wallpaperColor}"
            aria-checked$="[[getWallpaperColorAriaChecked_(selectedColor)]]"
            title$="[[getWallpaperColorTitle_()]]"
            role="radio"
            color-id="[[wallpaperColorId_]]">
        </color-icon>
        <template is="dom-if" if="[[shouldShowNudge_]]">
          <div id="toast">
            <div id="toastDot"></div>
            <div id="toastContent">
              <svg width="16" height="14" viewBox="0 0 16 14" fill="none" xmlns="http://www.w3.org/2000/svg">
                <path d="M8.375 4.375L6.5 0.25L4.625 4.375L0.5 6.25L4.625 8.125L6.5 12.25L8.375 8.125L12.5 6.25L8.375 4.375ZM12.5 7.75L11.5625 9.8125L9.5 10.75L11.5625 11.6875L12.5 13.75L13.4375 11.6875L15.5 10.75L13.4375 9.8125L12.5 7.75Z"></path>
              </svg>
              <span>$i18n{wallpaperColorNudgeText}</span>
            </div>
          </div>
        </template>
      </div>
    </template>
    <template is="dom-if" if="[[!isMultiZoneRgbKeyboardSupported_]]">
      <div class="divider"></div>
    </template>
    <template is="dom-repeat" items="[[presetColorIds_]]" as="presetColorId">
      <div id$="[[presetColorId]]"
          class$="[[getPresetColorContainerClass_(presetColorId, presetColors_, selectedColor)]]"
          on-click="onPresetColorSelected_" on-keypress="onPresetColorSelected_">
        <color-icon
            tabindex$="[[getPresetColorTabIndex_(isMultiZoneRgbKeyboardSupported_, presetColorId)]]"
            aria-label$="[[getPresetColorAriaLabel_(presetColorId)]]"
            role="radio"
            aria-checked$="[[getPresetColorAriaChecked_(presetColorId, presetColors_, selectedColor)]]"
            title$="[[getPresetColorAriaLabel_(presetColorId)]]"
            color-id="[[presetColorId]]">
        </color-icon>
      </div>
    </template>
    <template is="dom-if" if="[[!isCustomizedDialog]]">
      <div id$="[[rainbowColorId_]]"
          class$="[[getRainbowColorContainerClass_(selectedColor)]]"
          on-click="onRainbowColorSelected_" on-keypress="onRainbowColorSelected_">
        <color-icon
            aria-label="$i18n{rainbowColor}"
            role="radio"
            aria-checked$="[[getRainbowColorAriaChecked_(selectedColor)]]"
            title="$i18n{rainbowColor}"
            color-id="[[rainbowColorId_]]">
        </color-icon>
      </div>
    </template>
    <template is="dom-if" if="[[isMultiZoneRgbKeyboardSupported_]]">
      <div id$="[[wallpaperColorId_]]"
          class$="[[getWallpaperColorContainerClass_(selectedColor)]]"
          on-click="onWallpaperColorSelected_"
          on-keypress="onWallpaperColorSelected_">
        <div id="wallpaperIconAndDesc">
          <color-icon
              aria-label="$i18n{wallpaperColor}"
              aria-checked$="[[getWallpaperColorAriaChecked_(selectedColor)]]"
              id="wallpaperColorIcon"
              title$="[[getWallpaperColorTitle_()]]"
              role="radio"
              color-id="[[wallpaperColorId_]]">
          </color-icon>
          <template is="dom-if" if="[[!isCustomizedDialog]]">
            <div id="wallpaperColorDescription">
                $i18n{wallpaperColorDescription}
            </div>
          </template>
        </div>
        <template is="dom-if" if="[[shouldShowNudge_]]">
          <div id="toast" class="multizone-supported">
            <div id="toastDot"></div>
            <div id="toastContent">
              <svg width="16" height="14" viewBox="0 0 16 14" fill="none" xmlns="http://www.w3.org/2000/svg">
                <path d="M8.375 4.375L6.5 0.25L4.625 4.375L0.5 6.25L4.625 8.125L6.5 12.25L8.375 8.125L12.5 6.25L8.375 4.375ZM12.5 7.75L11.5625 9.8125L9.5 10.75L11.5625 11.6875L12.5 13.75L13.4375 11.6875L15.5 10.75L13.4375 9.8125L12.5 7.75Z"></path>
              </svg>
              <span>$i18n{wallpaperColorNudgeText}</span>
            </div>
          </div>
        </template>
      </div>
      <slot name="button-container"></slot>
    </template>
  </iron-selector>
</div>