Refactor report

templates/report_config_settings.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<!-- Copyright 2019-2022 Le Filament (<https://le-filament.com>)
+     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
+<odoo>
+    <template id="training_styles_company">
+        <style type="text/css">
+            .training_layout body,
+            .training_layout table,
+            .training_layout td,
+            .training_layout span,
+            .training_layout div {
+                    font-family: <t t-out="company.text_font" />;
+            }
+            .training_layout h1 {
+                color: <t t-out='company.title_color'/>;
+                background-color: <t t-out='company.title_bg_color'/>;
+                font-family: <t t-out="company.title_font" />;
+            }
+            .training_layout h2 {
+                color: <t t-out='company.subtitle_color'/> !important;
+                font-family: <t t-out="company.title_font" />;
+            }
+        </style>
+    </template>
+</odoo>