def value_needs_parens?
      return false if custom_property?

      root = value.first
      root.is_a?(Sass::Script::Tree::Operation) &&
        root.operator == :div &&
        root.operand1.is_a?(Sass::Script::Tree::Literal) &&
        root.operand1.value.is_a?(Sass::Script::Value::Number) &&
        root.operand1.value.original.nil? &&
        root.operand2.is_a?(Sass::Script::Tree::Literal) &&
        root.operand2.value.is_a?(Sass::Script::Value::Number) &&
        root.operand2.value.original.nil?
    end
def value_needs_parens?
      return false if custom_property?

      root = value.first
      root.is_a?(Sass::Script::Tree::Operation) &&
        root.operator == :div &&
        root.operand1.is_a?(Sass::Script::Tree::Literal) &&
        root.operand1.value.is_a?(Sass::Script::Value::Number) &&
        root.operand1.value.original.nil? &&
        root.operand2.is_a?(Sass::Script::Tree::Literal) &&
        root.operand2.value.is_a?(Sass::Script::Value::Number) &&
        root.operand2.value.original.nil?
    end
Returns whether \{#value} neesd parentheses in order to be parsed
 properly as division.