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<!DOCTYPE html> <html> <head> <title>Page Title</title> <meta name="viewport" content="width=device-width, initial-scale=1"> </head> <body> <!-- i want to creat a responsive site with 12 grid system--> <div class="col-xs-5 col-sm-12 col-md-6"> <div class="blue">content</div> </div> <div class="col-xs-5 col-sm-12 col-md-6"> <div class="red">content</div> </div> </body> </html> Hey guys why my outputs code Doesn't responsive? I use 12 grid system and media query
1 Answer
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You don't have CSS rules associated with col-xs-5 and similar classes.
Classes like col-xs-5 are defined in Twitter Bootstrap's CSS. You should add a link tag to it.
This URL could work if you replace col-xs-* with col-sm-*:
https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css
It looks like the xs(extremely small) size category isn't defined in version 4.4.1 there.
In addition to including the proper Bootstrap link, you should add a container and row. Classes like col-xs-5 are to be direct children of a row.