Untitled

<!DOCTYPE html>
<html>
    <head>
        {% block metas %}
            <meta charset="UTF-8">
            <meta http-equiv="X-UA-Compatible" content="IE=edge">
            <meta name="viewport" content="width=device-width, initial-scale=1">
            <meta name="description" content="Free HTML5 Website Template by FreeHTML5.co" />
            <meta name="keywords" content="free website templates, free html5, free template, free bootstrap, free website template, html5, css3, mobile first, responsive" />
            <meta name="author" content="FreeHTML5.co" />
            <!-- Facebook and Twitter integration -->
            <meta property="og:title" content=""/>
            <meta property="og:image" content=""/>
            <meta property="og:url" content=""/>
            <meta property="og:site_name" content=""/>
            <meta property="og:description" content=""/>
            <meta name="twitter:title" content="" />
            <meta name="twitter:image" content="" />
            <meta name="twitter:url" content="" />
            <meta name="twitter:card" content="" />
        {% endblock %}

        <title>{% block title %}Inicio{% endblock %} | LumSport</title>
        {% block stylesheets %}
            <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
        {% endblock %}
    </head>
    <body>
        {{include('parts/header.html.twig')}}
        {% extends 'parts/header.html.twig' %}
        {% block body %}
        {% endblock %}
        {{ include('parts/footer.html', sandboxed = true) }}
        {% block javascripts %}
            <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
            <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
            <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
        {% endblock %}
    </body>
</html>