For each dropcap you can choose background color and text color or circle style.
You can use below shortcode to add dropcap:
[dropcap background='#444' color='#FFF' circle="0"]P[/dropcap]art of text
- background (optional) – background color for highlight
- color (optional) – text color for highlight
- circle (optional) – 0 – default style, 1 – circle style