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.CSS File Extension

File TypeCascading Style Sheet

4.5 (32 Votes)
CategoryWeb Files


This file is saved in a plain text format. You can open and view the contents of this file using a text editor.

What is a CSS file?

A CSS file is a cascading style sheet (CSS) file used to format the contents of a webpage. It contains customized, global properties for how to display HTML elements. CSS files can define the size, color, font, line spacing, indentation, borders, and location of HTML elements.

More Information

CSS files are used to create a similar look and feel across websites. They also are used to reduce the amount of work and HTML code generated by consolidating display properties into a single file.

CSS files are stored in a plain text format.

Open and view .CSS files with File Viewer Plus.
Programs that open CSS files
File Viewer Plus
Adobe Dreamweaver CC 2017
Adobe ColdFusion Builder
Microsoft Visual Studio 2015
Blumentals WeBuilder
Other text editor
Any Web browser
Adobe Dreamweaver CC 2017
Adobe ColdFusion Builder
Apple TextEdit
Other text editor
Any Web browser
Alexander Blach Textastic Code Editor
Updated 11/4/2016

.CSS Extension Information

This page contains information about the file extension CSS and its known file associations. Our goal is to help you understand what a *.css file is and how to open it.

The Cascading Style Sheet file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and do not publish any information we have not verified.

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