You have to Activate mobile templates ... Inorder to do so
cp=Home » Common settings
Activate mobile templates: [true]You will be able to customize templates for the display of your website on mobile devices. Mini browsers are detected automatically. To view the mobile design in an ordinary browser, add "/pda" to the URL (http://site.com/pda/).
<?if(you_have)?> a <head>and<?if(you_have)?> a <body> you have to have <div id="idea" class="extreme" > [b]to be inventive </div><?endif?><?endif?>