This script enhanced the giveaway site Givee Club adding:

• Add a calendar icon on each sweepstakes entry with a countdown to download a google's calendar csv with the final event of the sweepstakes.

• Givee Club

• Tampermonkey (Chrome)
• Greasemonkey (Firefox)
• Violent monkey (Opera)

Github

• Enter to the user script file (usually named as *.user.js) you want to install.
• Click on the Raw button, the browser extension will recognize this file as a user script.
• Install it.

That's it!

No extra configuration required.

If you want to support my scripts consider to use:

• My Amazon affiliate link or add this query string ?tag=sergiosusa-21 before add a product to the basket when you buy on Amazon spain.
• My Letyshops referal link to get €5 each.
• My Payme link to send me a tip.