CSS Changing Text Color

Hello everyone,

this is really making me crazy. I am trying to change the color of one specific text block and am not able to do so.

If you scroll down on this page (https://www.bielefeld-guide.de/covid-spezial/vegan-peanut-butter-cookies/) until where it says ‘Um den Bielefeld-Guide am Laufen zu halten, wird t?glich jede Menge Kaffee konsumiert. Wenn dir unsere Arbeiten gef?llt, füge etwas Kraftstoff hinzu. Vielen Dank, wir sch?tzen dies sehr.’ This text is currently in GREY. I would like it to be BLACK. I’m using the plugin tinycoffee, but there is no option to change the text color within the plugin.

To me it seems like it should be
.entry-content p {
color: black;
}

But that doesn’t work. Any other ideas??

Many thanks,
Nadine

The page I need help with: [log in to see the link]