The background is made by applying distress markers to the entire sheet of paper, then spritzing it with water to get the colors to blend
Mask off the middle area for your greeting then stamp the leaves all over. This is called a single layer card which I have never made until now.
I had this acetate flower hanging around for years after we made them in a class at Hobby Lobby. I finally found a use for it. Background is stamped with the Impression Obsession gradation stamp.