If for any unlikely reason the website is down, do not worry, your staked tokens are safe. Here are instructions on how to proceed with an emergency withdrawal.
Click Write Contract and connect to MetaMask by clicking Connect to Web3.
Step 3: Go to section 4.
Scroll down to section 4, where you will be able to see emergencyWithdraw function. In the box there, you will need to specify the pool, from which you want to withdraw your tokens. Here is the list of the pools on the main MasterChef.