You need information about CSS.
You want ot know what CSS is.
CSS stands for Cascading style sheets.
Css is a style sheet language for the presentation of documents. It is used most often with HTML and XML. With cascading style sheets it is possible to declare a different design for different kinds of media (e.g. monitor, paper, speech). There are many options for color and speech as well as the possibility to set backgrounds or the free position of elements.
As far as today CSS is the standard style sheet language for websites.
About the Author
Wim Peeters is electronics engineer with an additional master in IT and over 30 years of experience, including time spent in support, development, consulting, training and database administration. Wim has worked with SQL Server since version 6.5. He has developed in C/C++, Java and C# on Windows and Linux. He writes knowledge base articles to solve IT problems and publishes them on the Lubby Knowledge Platform.