All these variants depend on CSS settings only.
Note: You can easily change the color model too!
The height of these polls DOES NOT depend on their's content. That is why you can build them into your layout easily, and they will never overflow the given size.
Poll with fixed height:


Poll with fixed height and horizontal scrolling:


The height of these polls is floating and always fits it's content.
Poll with height that depends on content:


Poll with height that depends on content and horizontal scrolling: