Removes hover effects and animations from member cards, updates CSS for the 'hr' and 'member-card' elements, and repositions the descriptive text for mentor and team sections in `contributors.html`. Replit-Commit-Author: Agent Replit-Commit-Session-Id: 5e584ab0-c340-4432-97ef-1972582b60e9 Replit-Commit-Checkpoint-Type: full_checkpoint Replit-Commit-Event-Id: c9bfbf59-6669-4093-a6ef-d73e67cb3ca8 Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/d0a1d46d-d203-4308-bc6a-312ac7c0243b/5e584ab0-c340-4432-97ef-1972582b60e9/iGbSEkT