What is that ?

A box for every week of 120-year life - probably too ambitious. Each row of weeks makes up one year. That’s how many weeks it takes to turn a newborn into a 120-year-old, and how far I have gone through, color changes by decade...

This is the first version....

References

The original inpiration can be found here on Wait But Why website.

The HTML and javascript was adapted from this codepen.io.

Additionally I really like this page, and I intend to implement something similar.