In the code snippets section you can find examples of programming code per category.
CSS or Cascading Style Sheets is widely used to provide a web page with the necessary formatting.
The W3.CSS file contains a lot of classes and settings.
In this section you can find an example of a 'sticky' navigation bar.
You can find example code in the PHP section about classes and objects and how to use them in a script.
There are several possible ways to write a class. The examples are deliberately kept simple.
SQL or Structured Query Language is the language par excellence for querying or creating a database.
The examples show the correct syntax or spelling of these SQL statements.
SQL statements are mainly used in eg PHP scripts.