

Add the following snippet to the existing userstyle
main,
#app .grid.w-full,
#app > div > header + div {
background-image: url('https://staging.cohostcdn.org/attachment/e2050e3d-e687-4bb8-ad27-25762aa10997/CleanShot%202022-08-05%20at%2009.37.53.png');
background-attachment: fixed;
background-repeat: repeat;
}
@media (prefers-color-scheme: dark) {
main,
#app .grid.w-full,
#app > div > header + div {
background-image: url('https://staging.cohostcdn.org/attachment/ddd0e75a-efe2-4ec6-a835-e0155890bf69/CleanShot%202022-08-05%20at%2009.37.46.jpg');
}
}