Adding a background image in custom liquid section

Store Design
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1

i would like to add a background image my custom liquid section

image URL: https://cdn.shopify.com/s/files/1/2373/2331/files/Screenshot_2024-01-03_at_9.47.09_AM.png?v=1704297177

https://acorncanyon.com/

pass: daplau

2

Try this
3

where do i put this? in theme.liquid or bass

4

background-image: url(‘https://cdn.shopify.com/s/files/1/2373/2331/files/Screenshot_2024-01-03_at_9.47.09_AM.png?v=17042971’);

background-repeat: no-repeat;

background-size: cover;

5

doesnt work