monitoring/CSS: Make selection info small

refs #5543

modules/monitoring/application/views/scripts/list/components/selectioninfo.phtml

@@ -1,6 +1,6 @@
 <?php
 $helpMessage = $this->translate('Press and hold the Ctrl key while clicking on rows to select multiple rows or press and hold the Shift key to select a range of rows.', 'multiselection');
 ?>
-<div class="selection-info" title="<?= $this->escape($helpMessage) ?>">
+<div class="selection-info text-small" title="<?= $this->escape($helpMessage) ?>">
     <span class="selection-info-count">0</span> <?= $this->translate('row(s) selected', 'multiselection') ?>
 </div>