Add customs css style

Signed-off-by: Toomore Chiang <toomore0929@gmail.com>

Author: toomore

zensical.toml

@@ -74,7 +74,7 @@ nav = [
 #
 # Read more: https://zensical.org/docs/customization/#additional-css
 #
-#extra_css = ["assets/stylesheets/extra.css"]
+extra_css = ["assets/stylesheets/extra.css"]
 
 # With the `extra_javascript` option you can add your own JavaScript to your
 # project to customize the behavior according to your needs.

zh-tw/assets/stylesheets/extra.css

@@ -0,0 +1,3 @@
+html.js-focus-visible.js body header.md-header.md-header--shadow nav.md-header__inner.md-grid {
+    padding: 0 2rem;
+}