How do I resize object depend on web browser size

Hi.I `m making a html5 game,so if i change size of browser,i want to resize all of object in the game depend on web browser size.if any has solution for this problem,can you explain for me that how to do that?

If you set scale inner or letterbox scale on your project fullscreen in browser property objects will be scaled corresponding to the page size.

You can explain more for me???by some images or some instructions?

In your project properties, on the left side, there is an option to set full screen scaling. Objects will get scaled accordingly.