public function format(Node $node, Document $document)
 {
     $parent = $node->getParent();
     if ($node->getWidth() === null && !$node->isInline() && $node->getFloat() === Node::FLOAT_NONE) {
         $parentWidth = $parent->getWidthWithoutPaddings();
         $marginLeft = $node->getMarginLeft();
         $marginRight = $node->getMarginRight();
         $node->setWidth($parentWidth - ($marginLeft + $marginRight));
         $node->setRelativeWidth('100%');
     } elseif ($node->isInline()) {
         $node->setWidth(0);
     }
     if ($node->getHeight() === null) {
         $node->setHeight(0);
     }
     $paddingLeft = $node->getPaddingLeft();
     $paddingRight = $node->getPaddingRight();
     $paddingTop = $node->getPaddingTop();
     $paddingBottom = $node->getPaddingBottom();
     $prefferedWidth = $node->getRealWidth() + $paddingLeft + $paddingRight;
     $parent = $node->getParent();
     $parentWidth = $parent ? $parent->getWidthWithoutPaddings() : null;
     if ($parent && $parentWidth < $prefferedWidth) {
         $prefferedWidth = $parentWidth;
     }
     $node->setWidth($prefferedWidth);
     $node->setHeight($node->getRealHeight() + $paddingTop + $paddingBottom);
 }