You can style the “Read More” using the Combo Blocks plugin. This article will help you to style the read more.
To begin, insert the “Read More” block.
Click on the “Read More” tab.
You can customize the “Color” and “Background Color” and add some “Margin” and “Padding” for your read more.
In the typography section, you can change the “Font Family,” “Font Size,” “Line Height,” “Letter Spacing,” “Font Weight,” “Text Transform,” and “Text Decoration.“