CSS Erroring Out

[amber ridge]

https://boomer.international/micro/YosQho9k

[fringe raven]

What property are you assigning the gradient to for the boxfortime class?

[robust zenith]

on line 13
maybe you mean
background: linear-gradient ....

[tired anvil]

1. Combine line 4 and 5

2. Add background-image: property to line 13 as @robust zenith said