Removed the CSS keyframes and animation classes related to shaking animations in client/src/index.css and conditional application of 'animate-shake' class in client/src/components/MainContent.tsx.
Replit-Commit-Author: Agent
Replit-Commit-Session-Id: f8b8f0ea-e52e-4118-9b6b-e44184e17203
Replit-Commit-Checkpoint-Type: full_checkpoint