What is the difference between bootstrap.css and a css file

Hi, what is the difference between bootstarp.css file and a css standard file ? Why should I use bootstrap and don't use css standard file?

Thanks
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miyahiraAsked:
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Alexandre SimõesManager / Technology SpecialistCommented:
You're making a bit of a confusion between those too.
CSS stands for Cascade Style Sheet and is the only language browsers understand to style HTML documents.

Bootstrap is a set of client-side tools in which some of them are CSS based but there's a lot of Javascript going on there also.

Bootstrap was probably the first "mainstream" set of tools to develop responsive websites.
We already had a lot of scattered information and tools but bootstrap put them all together along with a very neat set of user controls that made the live of web developers a lot easier when making responsive web sites.

Just to make sure all concepts are understood, by responsive I mean web sites that adjust themselves depending on the available space. This is the paradigm behind websites that change shape whether they're on a desktop, on a table or on a smartphone.

Now you have quite a few alternatives to Bootstrap, being Foundation probably the most know.
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miyahiraAuthor Commented:
Well explained. Thanks!
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