Link collection (reference links)
Here is an exemplary collection of (online) tools that can be useful when creating a template.
Utilities:
Filezilla https://filezilla-project.org/
Notepad++ https://notepad-plus-plus.org/
Online generator for creating a template framework
http://csslayoutgenerator.com/
Update (15.04.2022): "CSSLayoutGenerator.com" ist offline!
Examples of alternative online generators are:
https://www.cssportal.com/layout-generator/ +
https://layout.bradwoods.io/
Colourwheel
Color Blender from Eric A. Meyer generates harmonising colours
http://www.farbenundleben.de/webdesign/farbkombinationen_tool.htm#coBl
Put together a harmonious color combination with Kukuler from Adobe
https://color.adobe.com/de/
HTML Farbencodes (Umwandlung von Farben in HEX-Code und umgekehrt)
http://html-color-codes.info/webfarben_hexcodes/
http://newstown.de/farbgenerator.html
General Information on HTML
http://www.w3schools.com/html/default.asp
http://html5-webdesign.de/
https://de.wikipedia.org/wiki/HTML5#Ziele
https://de.wikipedia.org/wiki/Cascading_Style_Sheets
http://wiki.selfhtml.org/wiki/CSS
Difference between element, tag and attribute in HTML and XHTML
http://selfhtml.apsel-mv.de/tag-element/tag-element-attribut.html
Portable_XH
https://github.com/cmb69/portable_xh
Available CMSimple_XH template tags for the template:
http://www.cmsimple-xh.org/wiki/doku.php/template_tags
http://www.cmsimple-xh.org/wiki/doku.php/de:template_tags
http://cmsimplexh-doku017.keil-portal.de/?Architektur/Templates/Grundsaetzliche-Anforderungen
Tips and Tricks ion Wiki
http://www.cmsimple-xh.org/wiki/doku.php/de:tips_and_tricks
Website of the author of this content:
https://cmsimplexh.webdesign-keil.de/?CMSimple_XH_Referenzlisten