Theme Extension not working

I have create some custom extension these shwoing on development page once i am opening that page for preview not showing propery See my Screen that attached


Hello, tell me in which application and on which page is this happening?

App: CEE6C01E-DD2D-47F5-BE7A-2EF06B5AA69D
Page Name : ContentPreview

Hello @Vinod_Sahu

Your page looks different because you need to specify the units when setting values for css properties (px, rem, em, etc.).

If you add px, for example, your application will look like this:


Regards,
Alexander