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