Bullet Styles Are Missing From The Single Post Page Lists

The SEO WP WordPress theme use for content building the Life Composer plugin. Some CSS styles of the Live Composer modules are disabled by default. If your bullets styles are missing from the single post page lists, follow the next steps to enable the CSS style for the "Content module" used in the single post template.

Go to your single post in front-end, and click on the "Edit template". The single post template can be edited on Live Composer and using the path WP Admin > Appearance > Template > Blog post - basic. 
Find the "Content module"and click on the "cog icon" to open the module options panel.  
Select the "Style tab" and enable the "Custom CSS" option. 
Edit the list style according to your needs. 
Publish the changes and clear your browser cache.