public function addStyle($param, $value) {
		$this->_style[$param] = $value;
		$this->_tagCached     = null;
		
		return $this;
	}
public function addStyle($param, $value) {
		$this->_style[$param] = $value;
		$this->_tagCached     = null;
		
		return $this;
	}
public function addStyle ( $ param , $ value ) { $ this -> _style [ $ param ] = $ value ; $ this -> _tagCached = null ; return $ this ; }
Add the style element to the tag
Owerrides the "style" attribute

@param  string $param
@param  string $value
@return Tag
Add the style element to the tag Owerrides the style attribute