How to position contents according to zoom level?

Tags: html,css,css3

Problem :

I see this website:

I like it. When I zoom in the navigation adjusts, and if I zoomed to >200% a new button called 'Menu' appears, which groups all the navigation links together when clicked.

I want to know how is this possible? Is it pure CSS or JS included? I tried using percentages for scaling but it does not position as cleanly as the website mentioned.

Solution :

You should use Cross Browser Zoom and Pixel Ratio Detector


   var zoom = detectZoom.zoom();
   var device = detectZoom.device();
   alert("zoom: "+zoom +" , device:" +device);


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