What CSS do you use to adapt the Fibery interface?

[Yuri_BC]

Full background color coding (calendar cards)

.c12jeug2 {
    width: 100%;
    opacity: 1;
}

.t8g2uh7.title-wrapper.card_container,
.t1mu84wd {
    z-index: 1;
}

Before:

After: