Eh… no change. Here’s the link to my calendar, if you notice, the days of the week (sun – sat) aren’t readable and every other week has the color #eee, making the numbered days unreadable. https://www.screenprintsupply.com/?page_id=15
I think the best solution for me would make both of them transparent. I just cannot find where to do that. I tried changing the opacity in those lines you gave me with no luck.