Update MonitorCommand.php

Author: shyim

src/Command/MonitorCommand.php

@@ -72,7 +72,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
             $data->set('senderName', 'Froshtools | Admin');
 
             $htmlMailContent = <<<'MAIL'
-                <div style="font-family:arial; font-size:12px;">
+                <div>
                     <p>
                         Dear Admin,<br/>
                         <br/>