      <dialog class="dialog altText" id="altTextDialog" aria-labelledby="dialogLabel" aria-describedby="dialogDescription">
          <div id="altTextContainer" class="mainContainer">
            <div id="overallDescription">
              <span id="dialogLabel" data-l10n-id="pdfjs-editor-alt-text-dialog-label" class="title">Choose an option</span>
              <span id="dialogDescription" data-l10n-id="pdfjs-editor-alt-text-dialog-description">
                Alt text (alternative text) helps when people