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Cascading Style Sheet
File type: Internet related file
A css1 file extension is commonly used for text files that contain Cascading Style Sheets data, which are used on websites and define graphic layout and look of webpages.
File type category:
Internet related file
Date updated: December 31, 2024
The css1 file extension is sometimes used for Cascading Style Sheet.
The css1 file contains customized, global properties and other information about how to display HTML elements. It can define the size, background, colors, fonts, line spacing, indentation, borders, formats and location of HTML elements.
see also the css.
Use any suitable text editor or development suite to open or edit the *.css1 files. You can also view the *.css1 files with any modern internet browser.
You can convert HTML files to CSS1 with the use of some SEO tools available on the Internet.
Software applications that can open css1 files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software applications that can edit css1 files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software capable of saving css1 files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix