first I’d like to point out that you are on the Thunkable X website and the two systems are different infrastructures meaning what works there, may not work here. So their forum would be the best place to seek help.
Then, I’d like to point you here
at a minumum, yu would probably need to post pics of the blocks you are using to accomplish any resizing, if you are not, perhaps try to set fixed component sizes. i have issues using responsive sizing with items that appear/dissapear sometimes.