Updated Theme settings

docs/css/extra.css

@@ -1,20 +1,3 @@
-/* https://stackoverflow.com/questions/23211695/modifying-content-width-of-the-sphinx-theme-read-the-docs 
-
-and https://github.com/readthedocs/sphinx_rtd_theme/issues/295
-
-*/
-.wy-nav-content {
-  max-width: none !important;
-}
-
-
-/* and fix wrap bug per https://rackerlabs.github.io/docs-rackspace/tools/rtd-tables.html */
-.wy-table-responsive table td {
-  /* !important prevents the common CSS stylesheets from overriding
-  this as on RTD they are loaded after this stylesheet */
-  white-space: normal !important;
-}
-
-.wy-table-responsive {
-  overflow: visible !important;
+:root {
+  --md-primary-fg-color:        #3d90ce;
 }