To change the background image click the pencil icon in the outside Frame. The Frame Tools will open, here you can upload a new image or browse existing images that you've already uploaded.
You can opt to Fix the background image, so that when you scroll, content such as text will move over it. Once you've made a change, 'Save and View' from the top right of the screen. Now on the front end, you can see the fixed background effect in action.
One Two Three Four:There is archeological evidence suggesting that humans have been counting for at least 50,000 years.
Counting was primarily used by ancient cultures to keep track of social and economic data such as the number of group members, prey animals, property, or debts. The development of counting led to the development of mathematical notation, numeral systems, and writing.