The Style Attributes Inspector
The Style Attributes inspector lists all of the styles applied to the selection, in order of precedence. You can drag styles from here onto other items, or click the little 
to remove a style.
to remove a style. 
Styles specific to this task (ad-hoc styles) have the highest precedence. 
Structural styles (in this case, the style for all tasks) come next. 
The Whole Document style is the most general. 
You can drag these style chits onto other items or onto entries in the Project Styles inspector to apply them there.