Rouge theme (default)

ruby
Copy code 
class Greeting
  def initialize(name)
    @name = name
  end

  def say
    puts "Hello, #{@name}!"  # prints greeting
  end
end

Greeting.new("world").say

Midwest theme

ruby
Copy code 
class Greeting
  def initialize(name)
    @name = name
  end

  def say
    puts "Hello, #{@name}!"  # prints greeting
  end
end

Greeting.new("world").say

Midwest theme (with .theme-green)

ruby
Copy code 
class Greeting
  def initialize(name)
    @name = name
  end

  def say
    puts "Hello, #{@name}!"  # prints greeting
  end
end

Greeting.new("world").say

Midwest theme (with .theme-purple)

ruby
Copy code 
class Greeting
  def initialize(name)
    @name = name
  end

  def say
    puts "Hello, #{@name}!"  # prints greeting
  end
end

Greeting.new("world").say