code: public function getCss(){
  
  		$css = '';
  		foreach($this->getGlyphNames() as $unicode => $name){
  			$css .= ".icon-".$name.":before {"."\n";
  			$css .= "\tcontent: \"\\".$unicode."\";\n";
  			$css .= "}\n";
  		}
  		return $css;
  
  	}
docs: get css definition for icon class names
  
  @return string css class definitions