You can limit the number of FAQs shown by the widget by using
<airim-suggest aid="your_account_id" limit="7"/>
You can change the color of the text by using the color attribute.
The attribute can be any valid hex code.
<airim-suggest aid="your_account_id" limit="7" color="#4c4c4c"/>
<airim-suggest aid="your_account_id" limit="7" color="#4c4c4c" fontSize="18"/>