# File lib/sass/tree/rule_node.rb, line 200 def _cssize(extends, parent) node = super rules = node.children.select {|c| c.is_a?(RuleNode)} props = node.children.reject {|c| c.is_a?(RuleNode) || c.invisible?} unless props.empty? node.children = props rules.each {|r| r.tabs += 1} if style == :nested rules.unshift(node) end rules.last.group_end = true unless parent || rules.empty? rules end