```ruby
module EmojiHelper

    def emojify(content)
        h(content).to_str.gsub(/:([\w+-]+):/) do |match|
            if emoji = Emoji.find_by_alias($1)
                %(<img alt="#$1" src="#{image_path("emoji/#{emoji.image_filename}")}" style="vertical-align:middle" width="20" height="20" />)
            else
                match
            end
        end.html_safe if content.present?
    end

end```

Change emoji size to 64x64
user
```ruby
module EmojiHelper

  def emojify(content)
    h(content).to_str.gsub(/:([\w+-]+):/) do |match|
      if emoji = Emoji.find_by_alias($1)
        %(<img alt="#$1" src="#{image_path("emoji/#{emoji.image_filename}")}" style="vertical-align:middle" width="64" height="64" />)
      else
        match
      end
    end.html_safe if content.present?
  end

end```
assistant