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why we must to put it in the media quaeries tag ? can we put it outside it ?
Steven Parker220,415 Points
Media queries are for accommodating different display devices.
I'm not sure what "it" you are referring to, but normally you place something in a media query when the styling needs to be handled differently on certain displays. For example, sometimes a multi-column display needs to be re-arranged into a single column for a phone.