### Clue: Skipper taking care of champagne initially being extravagant in style (6)
### Answer: ROCOCO 
 ### Explanation: Definition: extravagant in style
 ROO(short for "kangaroo", the skipping or hopping marsupial – remember Skippy on TV?) **containing**(taking) [ CO(abbrev. for "care of", as when addressing a recipient via a middleman, say) + **the 1st letter o**f(… initially) "champagne " ].