"Dad's 70th Prize Crossword": HTML5 Crossword

Across

3. Old boy sounds like a bouncing bird! (3,5)
8. Base diet ferments this condition (8)
9. Somewhat degenerative rambler is dear to us (4)
10. Solver often trailed stick around these hills (4,8)
12. Seedy cat? (5)
14. Can Greek character expand mountain home? (7,4)
17. Mansion for Barbie's stiff hubby?! (7,5)
18. Pole defenders at old stomping ground (5,7)

Down

1. Setter's preferred seat change is announced in town (7)
2. No doubt ask all over for a quiet place (5,5)
4. Haemorrhaged a lake! (4)
5. Local restaurant is a mismanaged fiscal heap (4,6)
6. Blue, medium bird tricked and trapped in cage (9)
7. Cut beginning of opera? Italian delight! (7)
11. Lesioning botched by drunk doctor (15)
13. Cat often heard before goosey? (4)
15. Byron oddly had love for this city (4)
16. It's complex to learn a piece from Bach essentials (5)