create wallpaper for body and make app listen on 0.0.0.0

beertap/static/css/style.css

@@ -0,0 +1,8 @@
+body { 
+    background: url('/static/background.jpg') no-repeat center center fixed;
+    -moz-background-size: cover;
+    -webkit-background-size: cover;
+    -o-background-size: cover;
+    background-size: cover;
+}
+

beertap/templates/base.html

@@ -14,7 +14,7 @@
       href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css"
       crossorigin="anonymous"
     />
-
+    <link rel="stylesheet" href="/static/css/style.css" type="text/css" />
     <title>{% block title %}Base{% endblock %}</title>
 
   </head>

beertap/templates/beertap.html

@@ -2,7 +2,14 @@
 {% block title %}Beertap{% endblock %}
 {% block content %}
 <form method="POST">
+
   <br />
+  <br />
+  <br />
+  <br />
+  <br />
+  <br />
+
   <div class="btn-group d-flex" role="group" aria-label="order_buttons">
     <button type="submit" name="submit_button" value="option_1" class="btn btn-primary w-100 py-5">Left</button>
     <button type="submit" name="submit_button" value="option_2" class="btn btn-secondary w-100 py-5">Right</button>

main.py

@@ -3,4 +3,4 @@ from beertap import create_app
 app = create_app()
 
 if __name__ == "__main__":
-    app.run(debug=True)
+    app.run(host='0.0.0.0', debug=True)