By default, our Event Calendar add-on comes with few predefined themes built in which you can select in the shortcode builder while adding a shortcode for it to your page or post (as described in our documentation here ).
However, it may happen that none of the offered themes for the calendar fit the look and feel of the rest of your website. In cases like this, you can use this add-on:
This add-on contains a CSS file within it which allows you to style the event calendar yourself based on your needs. And once you finish styling and install and activate this add-on that contains CSS file with your customizations, you will notice that there is another theme option named "My custom theme", which, if selected, will display the styling that you have defined within the CSS file of the add-on.