Is my browser the right one?
Which browser are you using? Chrome is pretty dependable.
can you see my work on Codepen?
I don’t see a link to a pen.
Does it help if I post screenshot of the matter inquired?
Don’t post a screenshot of code. If there is some visual issue with the appearance that you think can’t be conveyed verbally, then an image might be good.
I am pretty new on this
We were all there once.
I would like to find a section, a video could work even better, that explain what is the difference among fullCard, container, grid, or box.
Is there some specific library you are using? As far as I know, those are fairly generic terms and don’t have fixed meanings. A card is just a small section in the UI, usually you have more that one - they often have a raised feel with a shadow and appear “above” the rest of the data, like a paper card resting on the screen. A container can mean different things, but generally it contains or wraps something else. A grid is just a lattice of elements (maybe cards or boxes). And a box is just a rectangular enclosure - it may be roughly the same as a card, but to me a card is more subtle whereas a box is more angular, more brutalist.
Those are subjective and please don’t assume that I’m an expert on what those mean. But again, I don’t think there is some standard definition.