make doc more mobile-friendly

docs/_templates/layout.html

@@ -1,9 +1,17 @@
 {% extends "!layout.html" %}
 {% block extrahead %}
+{{ super() }}
 <meta name="google-site-verification" content="FNUsDdkOJM9obm9QEdrNBVd9AtAzHzA-aaSMCUrS6C8" />
 <script async defer src="https://buttons.github.io/buttons.js"></script>
 {% if READTHEDOCS %}
 <meta http-equiv="refresh" content="0; URL=https://instaloader.github.io/{{ pagename }}.html" />
 <meta name="robots" content="noindex" />
 {% endif %}
+<style type="text/css">
+div.document { width: 1008px; }
+@media screen and (max-width: 1008px) {
+  div.sphinxsidebar { display: none; }
+  div.document { width: 100%!important; }
+}
+</style>
 {% endblock %}

docs/conf.py

@@ -141,8 +141,7 @@ html_theme = 'alabaster'
 #
 html_theme_options = {
     'show_powered_by': False,
-    'sidebar_width': '290px',
-    'page_width': '935px' }
+    'sidebar_width': '290px' }
 
 # Add any paths that contain custom themes here, relative to this directory.
 # html_theme_path = []