Here's a clean and simple birthday card I made for the current House Mouse Challenge where the optional theme is Party Time.
I stamped the sentiments and the image onto an A2 kraft card base and then colored the stamped image with colored pencils. I like the look of colored pencils on kraft paper. I don't do too many CAS style cards, but I like the way this one turned out and plan to use it for a masculine birthday as I often have trouble with those. Most of my birthday cards tend to be more floral and feminine.
House-Mouse & Friends Monday Challenge (housemouse-challenge.blogspot.com): ATG with a House Mouse image with the optional theme of Party Time (ends 1/6/23)
simonsaysstampblog.com/wednesdaychallenge/: Party Time (1/5; ends 1/3/23)
The Paper Funday Challenges: Birthday or anniversary (ends at the end of the month)