Why the outcome here in solo learn is different from the outcome on my computer its window7 OS. I only using notepad.

Question

HTML . titled on my profile here "practice"

Answer 1

you created the html doc according to your viewport (width, height) on desktop.
Sololearn is meant for mobile with reduced dimensions and viewport. so there are some differences. reduce the width and height of your buttons according to how it looks ( displays) on mobile, it should be fine then.

Answer 2

the "submit" button here looks like a "text" box.. its look confusing.

Answer 3

what is that difference? since i cant run this on my pc i won't know it