65PlusBirthday.com

The front of this fun, vibrating birthday greeting card design features a colorful pattern by celebratory fireworks works, along with the number "65" featuring a multicolored rainbow pattern gradient pattern, on a black colored background. The front also features a birthday greeting message, including a custom recipient name. The inside features a customizable birthday greeting message, or could have been cleared and left blank if message is to be written by hand instead. A customizable birthday card like this might be a fun way to send a birthday to someone who is celebrating their sixty birthday.

The front of this fun, geeky, and nerdy birthday greeting card design features a large number "66" and the message "HAPPY BIRTHDAY," colored pink, along with a bold yellow custom recipient name. The text has an appearance inspired by that of vintage 8-bit style computer/video game graphics from the 1970s and 1980s, and the background is colored black. The inside has a customizable birthday greeting message, or could have been cleared and left blank if message is to be written by hand instead. A silly personalized card birthday like this might be a fun to celebrate sixty sixth birthday.