Responsive In Chrome, But Not On Mobile

I am using WP-skeleton, and modifing it to fit into my website. However, my website is currently only responsive in Chrome on my PC, and not on my phone. The divs are changing the

Solution 1:

Make sure you add the viewport meta tag. At the bare minimum, you'll need the following:

<metaname="viewport"content="width=device-width">

Additional options are available as well. Check the reference link below for more information.

Reference:Mozilla Developer Network - Viewport Meta Tag