Fixing the <p> issue would be as easy as defining a rule like this in deckoptions-base.scss:
.tooltip-inner p {
margin: 0.8em 0.4em 0.8em 0.8em;
}
The margin on the right is lower for balance reasons, because most words wrap somewhere before that margin, shifting the weight to the left.
Output
I also applied a border-radius of 15px to .tooltip-inner for a more bubbly feeling.
If you want a proper redesign (and perhaps a little pop-out animation?) for the tooltips, I’m up for that, but I’d like to wait for #1207 to be merged first.