Please review this thread
and post questions in that thread
An example, but based off your card_mod code it is hard to understand what you trying to achieve.
type: entities
show_header_toggle: true
state_color: true
entities:
- entity: sensor.living_room_humidity
card_mod:
style:
hui-generic-entity-row:
$: |
.text-content:not(.info) {
color: cyan;
font-weight: bold;
}