override css to make rtd theme resposive on whide screens

docs/source/_static/style.css

+/* override table width restrictions */
+
+.wy-nav-content {
+    max-width: none;
+}

docs/source/_templates/layout.html

+{% extends "!layout.html" %}
+{% block extrahead %}
+    <link href="{{ pathto("_static/style.css", True) }}" rel="stylesheet" type="text/css">
+{% endblock %}