How do I make the spaces between the colored backgrounds not appear?

Question

I want to make that space disappear, I am quite new to all this so please help me

Answer 1

Post you code here for better understanding of your problem

Answer 2

I dont know if I understand correctly, you want to change the spacing between background color?? It sounds like padding... Do you have an example? Do you have any code you can share?

Here is what I think you're talking about

https://code.sololearn.com/WzGUMtVnpU3n/?ref=app