librenms-librenms/html/includes/device-header.inc.php

<?php

if ($device['status'] == '0')
{
  $class = "list-device-down";
} else {
  $class = "list-device";
}
if ($device['ignore'] == '1')
{
  $class = "list-device-ignored";
  if ($device['status'] == '1')
  {
    $class = "list-device-ignored-up";
  }
}
if ($device['disabled'] == '1')
{
  $class = "list-device-disabled";
}


$type = strtolower($device['os']);
unset($image);

$image = getImage($device['device_id']);

echo('
            <tr bgcolor="'.$device_colour.'" class="'.$class.'">
             <td width="40" align=center valign=middle>'.$image.'</td>
             <td valign=middle><span style="font-size: 20px;">' . generate_device_link($device) . '</span>
             <br />' . $device['location'] . '</td>
             <td></td>
           </tr>');

?>