Sublime text 3 stopped highlighting css syntax, how to fix?

Question

Sublime Text

Sublime text 3 stopped highlighting css syntax, how to fix?

Answer 1

First you need to figure out why you stopped highlighting

Answer 2

And in the lower right corner, what is the current extension indicated?

Answer 3

first ctrl+shift+p
then set syntax css

Answer 4

Set syntax css there is no such thing, on the right in the corner of Plain text

Answer 5

In the right corner, click on Plaint text and select CSS