add custom css for doc

Documentation/_static/custom.css

+
+.wy-table-responsive table td {
+  white-space: normal;
+}
\ No newline at end of file

Documentation/conf.py

@@ -34,6 +34,10 @@
 import sphinx_rtd_theme
 extensions = ["sphinx_rtd_theme"]
 
+html_css_files = [
+    'custom.css',
+]
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
 
@@ -95,7 +99,7 @@ html_theme = "sphinx_rtd_theme"
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = []  # Old value removed by Marc: ['_static']
+html_static_path = ['_static']  # Old value removed by Marc: ['_static']
 
 # Custom sidebar templates, must be a dictionary that maps document names
 # to template names.