diff --git a/README.md b/README.md
index 7430cb6..5ec206a 100644
--- a/README.md
+++ b/README.md
@@ -44,9 +44,23 @@ Everything has its default style.
 
 CSS classes follow a naming scheme of `<object>_<description>`.
 
-- *Object* usually is the name of the HTML element. If it is not a elemtn directly it is the thing which receives the styling
+- *Object* usually is the name of the HTML element. If it is not a element directly it is the thing which receives the styling
 - *Description* is a name of the style e.g. what it does, how it looks
 
+### JavaScript (JS)
+
+The codebase uses ECMAScript 2023 Language Specification (14th edition).  
+However, currently the JSHint configuration only allows 11 as highest version. 
+
+ID values are written in *camelCase*. The scheme further uses parts for specific contexts. 
+
+If the ID is for an interactive element the first part is an abbreviation of the action.
+
+- `qry` - Query
+- `set` - Set
+- `slt` - Select
+- `tgl` - Toggle
+
 ## Versioning
 
 This project uses [SemVer](http://semver.org/) for versioning. For the versions available, see the [tags on this repository](https://quelltext.interaktionsweise.de/interaktionsweise/hippie/tags).
diff --git a/TODO.md b/TODO.md
index 1fea50d..6704e8e 100644
--- a/TODO.md
+++ b/TODO.md
@@ -11,120 +11,126 @@
 - Add build process for normalize.css from github.com/necolas/normalize.css
 - Add build process for bourbon from https://github.com/thoughtbot/bourbon
 
+# CSS
+
+- Check style for every basic element
+- Uniform spelling of classes and identifiers
+
 # Content
 
-- Complete *Intro* with description for all basic elements, according to [HTML Standard - The elements of HTML](https://html.spec.whatwg.org/multipage/semantics.html#semantics)
-	- Sections
-		- [x] body
-		- [x] article
-		- [x] section
-		- [x] nav
-		- [x] aside
-		- [x] h1-h6
-		- [x] hgroup
-		- [x] header
-		- [x] footer
-		- [x] address (put to grouping content)
-	- Grouping content
-		- [x] p
-		- [x] hr
-		- [x] pre
-		- [x] blockquote
-		- [x] ol
-		- [x] ul
-		- [ ] menu (new)
-		- [x] li
-		- [x] dl
-		- [x] dt
-		- [x] dd
-		- [x] figure
-		- [x] figcaption
-		- [x] main
-		- [ ] search (new)
-		- [x] div
-	- Text-level semantics
-		- [x] a
-		- [x] em
-		- [x] strong
-		- [x] small
-		- [x] s
-		- [x] cite
-		- [x] q
-		- [x] dfn
-		- [x] abbr
-		- [x] ruby
-		- [x] rb (deprecated)
-		- [x] rt
-		- [x] rtc (deprecated)
-		- [x] rp
-		- [x] data
-		- [x] time
-		- [x] code
-		- [x] var
-		- [x] samp
-		- [x] kbd
-		- [x] sub
-		- [x] sup
-		- [x] i
-		- [x] b
-		- [x] u
-		- [x] mark
-		- [x] bdi
-		- [x] bdo
-		- [x] span
-		- [x] br (mentioned in grouping content)
-		- [x] wbr
-	- Edits
-		- [x] ins
-		- [x] del
-	- Embedded content
-		- [x] picture
-		- [x] source
-		- [x] img
-		- [ ] iframe
-		- [ ] embed
-		- [ ] object
-		- [ ] param (deprecated)
-		- [ ] video
-		- [ ] audio
-		- [ ] track
-		- [ ] map
-		- [ ] area
-	- Tabular data
-		- [ ] table
-		- [ ] caption
-		- [ ] colgroup
-		- [ ] col
-		- [ ] tbody
-		- [ ] thead
-		- [ ] tfoot
-		- [ ] tr
-		- [ ] td
-		- [ ] th
-	- Forms
-		- [x] form
-		- [x] label
-		- [x] input
-		- [x] button
-		- [ ] select
-		- [ ] datalist
-		- [ ] optgroup
-		- [ ] option
-		- [ ] textarea
-		- [ ] output
-		- [ ] progress
-		- [ ] meter (new)
-		- [x] fieldset
-		- [x] legend
-	- Interactive elements
-		- [ ] details
-		- [ ] summary
-		- [ ] dialog
-	- Scripting
-		- [ ] script
-		- [ ] noscript
-		- [ ] template
-		- [ ] slot
-		- [ ] canvas
-- Check style for every basic element
-- Uniform spelling of classes and identifiers
\ No newline at end of file
+- *Intro* 
+  - Complete with description for all basic elements, according to [HTML Standard - The elements of HTML](https://html.spec.whatwg.org/multipage/semantics.html#semantics)
+      - Sections
+          - [x] body
+          - [x] article
+          - [x] section
+          - [x] nav
+          - [x] aside
+          - [x] h1-h6
+          - [x] hgroup
+          - [x] header
+          - [x] footer
+          - [x] address (put to grouping content)
+      - Grouping content
+          - [x] p
+          - [x] hr
+          - [x] pre
+          - [x] blockquote
+          - [x] ol
+          - [x] ul
+          - [ ] menu (new)
+          - [x] li
+          - [x] dl
+          - [x] dt
+          - [x] dd
+          - [x] figure
+          - [x] figcaption
+          - [x] main
+          - [ ] search (new)
+          - [x] div
+      - Text-level semantics
+          - [x] a
+          - [x] em
+          - [x] strong
+          - [x] small
+          - [x] s
+          - [x] cite
+          - [x] q
+          - [x] dfn
+          - [x] abbr
+          - [x] ruby
+          - [x] rb (deprecated)
+          - [x] rt
+          - [x] rtc (deprecated)
+          - [x] rp
+          - [x] data
+          - [x] time
+          - [x] code
+          - [x] var
+          - [x] samp
+          - [x] kbd
+          - [x] sub
+          - [x] sup
+          - [x] i
+          - [x] b
+          - [x] u
+          - [x] mark
+          - [x] bdi
+          - [x] bdo
+          - [x] span
+          - [x] br (mentioned in grouping content)
+          - [x] wbr
+      - Edits
+          - [x] ins
+          - [x] del
+      - Embedded content
+          - [x] picture
+          - [x] source
+          - [x] img
+          - [ ] iframe
+          - [ ] embed
+          - [ ] object
+          - [ ] param (deprecated)
+          - [ ] video
+          - [ ] audio
+          - [ ] track
+          - [ ] map
+          - [ ] area
+      - Tabular data
+          - [ ] table
+          - [ ] caption
+          - [ ] colgroup
+          - [ ] col
+          - [ ] tbody
+          - [ ] thead
+          - [ ] tfoot
+          - [ ] tr
+          - [ ] td
+          - [ ] th
+      - Forms
+          - [x] form
+          - [x] label
+          - [x] input
+          - [x] button
+          - [ ] select
+          - [ ] datalist
+          - [ ] optgroup
+          - [ ] option
+          - [ ] textarea
+          - [ ] output
+          - [ ] progress
+          - [ ] meter (new)
+          - [x] fieldset
+          - [x] legend
+      - Interactive elements
+          - [ ] details
+          - [ ] summary
+          - [ ] dialog
+      - Scripting
+          - [ ] script
+          - [ ] noscript
+          - [ ] template
+          - [ ] slot
+          - [ ] canvas
+- *Clock*
+  - Add overlays to better distinguish day, week and year
\ No newline at end of file