Titles of the featured events should be:
#tribe-events-content.tribe-events-list .tribe-events-loop .tribe-event-featured [class*="-event-title"] a {
color: red;
}
For “Jetzt Anmelden”, the font color and the background color like this.
.tribe-events-list .tribe-events-loop .tribe-event-featured .tribe-events-event-cost .tribe-button {
color: red;
background-color: green;
}
Adjust / remove what is not needed. π
A.