Try setting a meta tag to the HTML page of your project before the <title> tag:
<meta name="viewport" content = "width = device-width, initial-scale = 1 />
This will make it so your page fills to the width of the viewport.
Here's a good resource to learn more about mobile meta tags and how they can be applicable to your HTML projects
i update ... but now animation is too big !! ...
any idea ?
You can play around with the scale parameter (initial-scale) to get this to scale correctly.
Hope this helps!
i try 0.5 ... (on line) but nothing change
and in desktop animation is too big ...
i try a max L but same nothing change
some idea ?