Update Text Color on Menu Text, Subtitle Text, and Read More Text

Hello Support! I am a beginner but hacking away at this. I want to make the text color black as the slider title for the menu text, the subtitle text, and the read more text and frame around read more. I researched to figure out the entry title to black. I am not able to find how to change to black the text for menu text, read more, and subtitle under title. The URL is wr-crm.com. Here is a screenshot of what I want to accomplish.