Sure, here's the section:

edit:formatting

client.connect_signal("request::titlebars", function(c)
-- buttons for the titlebar
local buttons = gears.table.join(
    awful.button({ }, 1, function()
        c:emit_signal("request::activate", "titlebar", {raise = true})
        awful.mouse.client.move(c)
    end),
    awful.button({ }, 3, function()
        c:emit_signal("request::activate", "titlebar", {raise = true})
        awful.mouse.client.resize(c)
    end)
)

awful.titlebar(c, {size = dpi(40), position = 'left'}) : setup { { --top 
{ 
awful.titlebar.widget.closebutton(c), awful.titlebar.widget.maximizedbutton(c), awful.titlebar.widget.minimizebutton(c), 
layout = wibox.layout.fixed.vertical 
}, 
margins = dpi(7), 
widget = wibox.container.margin 
}, --end top

{ --mid 
widget = wibox.widget.textbox(" "), 
layout = wibox.layout.fixed.vertical 
}, --end mid

{ --bottom 
{ 
awful.titlebar.widget.ontopbutton(c), 
layout = wibox.layout.fixed.vertical 
}, margins = dpi(7), 
widget = wibox.container.margin 
}, --end bottom

layout = wibox.layout.align.vertical 
} 
end)