text/*
text/css
File extensions: .css
Cascading Style Sheets — page styling rules.
What is text/css?
text/css is the media type for CSS stylesheets served as external <link rel="stylesheet">. Browsers will refuse to apply a stylesheet if the server declares any other type — a common misconfiguration.
Typical usage
External stylesheets linked from HTML pages.
Common gotchas
Serving .css files as application/octet-stream (a common misconfiguration on static hosts) causes browsers to silently skip the stylesheet.
HTTP header example
Response header
Content-Type: text/css; charset=utf-8Reference
RFC 2318
Frequently asked questions
What is the text/css MIME type?
text/css is the media type for CSS stylesheets served as external <link rel="stylesheet">. Browsers will refuse to apply a stylesheet if the server declares any other type — a common misconfiguration.
What file extension does text/css use?
Files served as text/css typically use the extension .css. The most common is .css.
How do I set the Content-Type for text/css?
Send the HTTP response header Content-Type: text/css; charset=utf-8. External stylesheets linked from HTML pages.
Is text/css an official MIME type?
Yes. text/css is officially registered with IANA (RFC 2318), so standards-conformant clients recognize it.
What are common mistakes with text/css?
Serving .css files as application/octet-stream (a common misconfiguration on static hosts) causes browsers to silently skip the stylesheet.