Reduce title size in alabaster a little

Author: humitos

hoverxref/_static/css/alabaster.css

@@ -0,0 +1,3 @@
+#micromodal h1 {
+  font-size: 200%;
+}

hoverxref/extension.py

@@ -110,6 +110,7 @@ def setup_theme(app, exception):
     elif theme == 'alabaster':
         if app.config.hoverxref_modal_class == default:
             app.config.hoverxref_modal_class = 'body'
+            css_file = 'css/alabaster.css'
     elif theme == 'sphinx_rtd_theme':
         if app.config.hoverxref_modal_class == default:
             css_file = 'css/sphinx_rtd_theme.css'