Better exporting of Org sections

ha-org.org

@@ -35,6 +35,7 @@ Org is a /large/ complex beast with a gazillion settings, so I discuss these lat
     <<org-todo>>
     <<org-todo-clock>>
     <<ob-configuration>>
+    <<html-exporting>>
 
     :config
     <<ha-org-leader>>
@@ -76,7 +77,7 @@ Begin by initializing these org variables:
         sentence-end-double-space nil   ; I jump around by sentences, but seldom have two spaces.
 
         org-export-with-sub-superscripts nil
-
+        org-html-validation-link nil
         org-directory "~/personal"
         org-default-notes-file "~/personal/general-notes.txt"
 
@@ -604,6 +605,22 @@ And Graphviz configuration using [[https://github.com/ppareit/graphviz-dot-mode]
           graphviz-dot-auto-indent-on-braces t
           graphviz-dot-auto-indent-on-semi t))
 #+end_src
+*** HTML Style
+Splitting out HTML snippets is often a way that I can transfer org-formatted content to other applications.
+#+name: html-exporting
+#+begin_src emacs-lisp
+  (setq org-html-head-extra
+        (string-join '( "<style>"
+                        "@import url('https://fonts.googleapis.com/css2?family=Overpass:ital,wght@0,300;0,600;1,300;1,600&display=swap');"
+                        "html { font-family: 'Overpass', sans-serif; color: #333; }"
+                        "pre.src { background-color: #eee; }"
+                        ;; "@importmedia (prefers-color-scheme: dark) {"
+                        " html { background-color: #1d1f21; color: white; }"
+                        " pre.src { background-color: black; }"
+                        ;; "}"
+                        "</style>")
+                     hard-newline))
+#+end_src
 ** Focused Work
 :LOGBOOK:
 CLOCK: [2022-02-11 Fri 11:05]--[2022-02-11 Fri 11:21] =>  0:16
@@ -1039,7 +1056,7 @@ Trying out [[https://protesilaos.com/][Protesilaos Stavrou]]’s [[https://prote
              "g [" 'logos-backward-page-dwim
              "g ]" 'logos-forward-page-dwim))
 #+end_src
-* Technical Artifacts                                :noexport:
+* Technical Artifacts                   :noexport:
 Let's provide a name, to allow =require= to work:
 #+begin_src emacs-lisp :exports none
 (provide 'ha-org)