Merge branch 'full_width' into 'main'

Setting to 100% width

See merge request !104

docs/stylesheets/extra.css

@@ -18,3 +18,8 @@
     padding-top: .1rem;
     padding-bottom: .1rem;
 }
+
+/* Fill the width of the browser window, no margins */
+.md-grid {
+    max-width: 100%;
+}