CSSPropertyHandler(false, false); $this->_autoValue = ValueTop::fromString('auto'); } function _getAutoValue() { return $this->_autoValue->copy(); } function default_value() { return $this->_getAutoValue(); } function get_property_code() { return CSS_TOP; } function get_property_name() { return 'top'; } function parse($value) { return ValueTop::fromString($value); } } CSS::register_css_property(new CSSTop); ?>