public function registerAssetCss($cssFile, $media = '')
    {
        Yii::app()->getClientScript()->registerCssFile($this->getAssetsUrl() . "/css/{$cssFile}", $media);
        return $this;
    }
public function registerAssetCss($cssFile, $media = '')
    {
        Yii::app()->getClientScript()->registerCssFile($this->getAssetsUrl() . "/css/{$cssFile}", $media);
        return $this;
    }
public function registerAssetCss ( $ cssFile , $ media = '' ) { Yii :: app ( ) -> getClientScript ( ) -> registerCssFile ( $ this -> getAssetsUrl ( ) . "/css/{$cssFile}" , $ media ) ; return $ this ; }
Registers a specific css in the asset's css folder

@param string $cssFile the css file name to register
@param string $media the media that the CSS file should be applied to. If empty, it means all media types.

@return $this
Registers a specific css in the asset s css folder