chromium/chrome/browser/resources/lens/overlay/lens_overlay_app.html

<style>
  .app-container {
    height: 100%;
    width: 100%;
  }

  #backgroundScrim {
    background-color: rgba(0, 0 ,0, 0.3);
    inset: 0;
    position: absolute;
  }

  .button-container {
    display: flex;
    pointer-events: none;
    position: absolute;
  }

  :host(:not([initial-flash-animation-has-ended])) .button-container {
    opacity: 0;
    visibility: hidden;
  }

  #optionsButtonContainer {
    gap: 12px;
    inset-block-start: 28px;
    inset-inline-end: 30px;
  }

  #translateButtonContainer {
    inset-block-start: 21px;
    inset-inline-start: 25px;
  }

  .action-button {
    --cr-icon-button-icon-size: 20px;
    --cr-icon-button-size: 36px;
    --cr-icon-button-fill-color: var(--color-overlay-icon);
    background-color: rgba(var(--color-scrim-rgb), 0.6);
    pointer-events: all;
  }

  #closeButton {
    --cr-icon-image: url("icon_clear.svg");
  }

  :host([close-button-hidden]) #closeButton {
    display: none;
  }

  #copyToast {
    justify-content: space-between;
  }

  #moreOptions {
    width: 156px;
  }

  #moreOptionsButton {
    margin-inline-start: 120px;
  }

  #moreOptionsMenu {
    background: var(--color-selection-element);
    border-radius: 8px;
    /* Needed to prevent mouse flicker on option hover. */
    cursor: default;
    display: none;
    margin-top: 8px;
    padding: 8px 0px;
    pointer-events: all;
  }

  :host([more-options-menu-visible]) #moreOptionsMenu {
    display: flex;
    flex-direction: column;
  }

  .menu-item {
    align-items: center;
    display: flex;
    padding-inline-start: 16px;
    height: 36px;
  }

  .menu-item:focus, .menu-item:hover {
    background-color: rgba(var(--color-scrim-rgb), 0.05);
  }

  .menu-item:active {
    background-color: rgba(var(--color-scrim-rgb), 0.10);
  }

  .menu-item-label {
    color: var(--color-scrim);
    font-size: 13px;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
  }

  .menu-item-icon {
    background-color: var(--color-primary);
    height: 20px;
    mask-position: center;
    mask-repeat: no-repeat;
    mask-size: 100%;
    width: 20px;
    margin-inline-end: 12px;
  }

  .feedback {
    mask-image: url("feedback.svg");
  }

  .activity {
    mask-image: url("//resources/cr_components/searchbox/icons/google_g_cr23.svg");
  }

  .learn-more {
    mask-image: url("learn_more.svg");
  }

  :host(:not([is-image-rendered])) lens-selection-overlay {
    display: none;
  }

  .app-container :not(lens-selection-overlay) {
    transition: opacity 150ms linear;
  }

  :host([is-closing]) .app-container :not(lens-selection-overlay) {
    opacity: 0;
  }

  :host([is-closing]) cursor-tooltip {
    /* When the overlay is closing, immediately hide the cursor tooltip. */
    display: none;
  }

  cursor-tooltip {
    left: 0;
    position: fixed;
    top: 0;
    /* Don't display the tooltip until the cursor location is determined. */
    transform: scale(0);
    width: 100%;
    z-index: 6;  /* Keep aligned with cursor and context menu. */
  }

  initial-gradient {
    pointer-events: none;
  }
</style>
<div class="app-container"
    on-initial-flash-animation-end="onInitialFlashAnimationEnd"
    on-screenshot-rendered="onScreenshotRendered"
    on-selection-overlay-clicked="handleSelectionOverlayClicked"
    on-pointer-released="handlePointerReleased"
    on-text-copied="showTextCopiedToast"
    on-pointerenter="handlePointerEnter"
    on-pointerleave="handlePointerLeave"
    style="
    --color-primary: [[skColorToHex_(theme.primary)]];
    --color-shader-layer-1: [[skColorToHex_(theme.shaderLayer1)]];
    --color-shader-layer-2: [[skColorToHex_(theme.shaderLayer2)]];
    --color-shader-layer-3: [[skColorToHex_(theme.shaderLayer3)]];
    --color-shader-layer-4: [[skColorToHex_(theme.shaderLayer4)]];
    --color-shader-layer-5: [[skColorToHex_(theme.shaderLayer5)]];
    --color-scrim: [[skColorToHex_(theme.scrim)]];
    --color-scrim-rgb: [[skColorToRgb_(theme.scrim)]];
    --color-surface-container-highest-light: [[skColorToHex_(theme.surfaceContainerHighestLight)]];
    --color-surface-container-highest-dark: [[skColorToHex_(theme.surfaceContainerHighestDark)]];
    --color-selection-element: [[skColorToHex_(theme.selectionElement)]];
    --color-overlay-icon: white;
    --color-overlay-button-label: white;">
  <cr-toast id="copyToast" duration="4000">
    <div>$i18n{copyToastMessage}</div>
    <cr-button on-click="onHideToastClick">
      $i18n{dismiss}
    </cr-button>
  </cr-toast>
  <div id="backgroundScrim" on-click="onBackgroundScrimClicked"
      hidden$="[[!isImageRendered]]"
      on-pointerenter="handlePointerEnterBackgroundScrim"
      on-pointerleave="handlePointerLeaveBackgroundScrim"></div>
  <lens-selection-overlay id="selectionOverlay" theme="[[theme]]"
      on-pointerenter="handlePointerEnterSelectionOverlay"
      on-pointerleave="handlePointerLeaveSelectionOverlay">
  </lens-selection-overlay>
  <initial-gradient id="initialGradient"></initial-gradient>
  <template is="dom-if" if="[[isTranslateButtonVisible]]">
    <div id="translateButtonContainer" class="button-container">
      <translate-button></translate-button>
    </div>
  </template>
  <div id="optionsButtonContainer" class="button-container">
    <div id="moreOptions">
      <cr-icon-button iron-icon="cr:more-vert" id="moreOptionsButton"
          class="action-button" on-click="onMoreOptionsButtonClick"
          role="button" aria-label="$i18n{moreOptions}"
          aria-controls="moreOptionsMenu" aria-haspopup="menu"
          aria-expanded="[[moreOptionsMenuVisible]]" title="$i18n{moreOptions}">
      </cr-icon-button>
      <div id="moreOptionsMenu" role="menu" aria-labelledby="moreOptionsButton">
        <div class="menu-item" on-click="onMyActivityClick"
            on-keydown="onMyActivityClick" role="menuitem" tabindex="0"
            aria-labelledby="myActivity">
          <span class="menu-item-icon activity"></span>
          <span id="myActivity"
              class="menu-item-label">$i18n{myActivity}</span>
        </div>
        <div class="menu-item" on-click="onLearnMoreClick"
            on-keydown="onLearnMoreClick" role="menuitem" tabindex="0"
            aria-labelledby="learnMore">
          <span class="menu-item-icon learn-more"></span>
          <span id="learnMore"
              class="menu-item-label">$i18n{learnMore}</span>
        </div>
        <div class="menu-item" on-click="onFeedbackClick"
            on-keydown="onFeedbackClick" role="menuitem" tabindex="0"
            aria-labelledby="sendFeedback">
          <span class="menu-item-icon feedback"></span>
          <span id="sendFeedback"
              class="menu-item-label">$i18n{sendFeedback}</span>
        </div>
      </div>
    </div>
    <cr-icon-button id="closeButton" class="action-button"
        on-click="onCloseButtonClick" aria-label="$i18n{close}"
        title="$i18n{close}"></cr-icon-button>
  </div>
  <cursor-tooltip id="cursorTooltip"></cursor-tooltip>
</div>