is it recommended way to use media query while using bootstrap

Question

I'm using bootstrap libraries for making responsive web application

For some requirement i'm using media query for all the screen size as mentioned in below link

http://css-tricks.com/snippets/css/media-queries-for-standard-devices/

I've a doubt

1. whether its a right way to develop ?
2. Do i need to learn and use bootstrap more ,if yes how

Answer 1

No this is not the right way. You need to learn about bootstrap fully. Its full for responsive designs. Its very easy to learn. Just refer this website