My Footer Goes out of container

Question

How to take my footer fit in container

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Want to make a page like this with three div in containers

https://code.sololearn.com/WvdqQTxruPM8/?ref=app
https://code.sololearn.com/WvdqQTxruPM8/?ref=app
https://code.sololearn.com/WvdqQTxruPM8/?ref=app

Answer 1

Add
padding:0;
margin:0;
to body css
change nav to
float:right;

Answer 2

ChaoticDawg thanks it's working