doctype html
html(lang="en")
    head
        meta(charset = "UTF-8")
        meta(
            name    = "viewport",
            content = "width = device-width, initial-scale = 1, maximum-scale = 1, user-scalable = no"
        )
        title
            | Maestro

        //- CSS Includes
        link(
            rel  = "stylesheet",
            href = "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css"
        )

        //- Custom CSS
        link(
            rel  = "stylesheet",
            type = "text/css",
            href = "styles/stdtheme.css"
        )

        //- JS includes
        script(src = "http://code.jquery.com/jquery-1.11.3.min.js")
        script(src = "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js")

        //- Custom JS
        script(src = "js/app.js")
    
    body
        .container-fluid
            include ./views/header.jade

doctype html
html(lang="en")
    head
        meta(charset = "UTF-8")
        meta(
            name    = "viewport",
            content = "width = device-width, initial-scale = 1, maximum-scale = 1, user-scalable = no"
        )
        title
            | Maestro

        //- CSS Includes
        link(
            rel  = "stylesheet",
            href = "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css"
        )

        //- Custom CSS
        link(
            rel  = "stylesheet",
            type = "text/css",
            href = "styles/stdtheme.css"
        )

        //- JS includes
        script(src = "http://code.jquery.com/jquery-1.11.3.min.js")
        script(src = "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js")

        //- Custom JS
        script(src = "js/app.js")
    
    body
        .container-fluid
            //- Header
            include ./views/header.jade

Add comment on header include
Add comment on header include
