In Listivo Theme, you use the Elementor to customize your website. 

Log in to your website WordPress admin panel. Enter your blog. On the top, choose 'edit with Elementor' and 'Blog Template' - as below.

Now Your website is in edit mode, and you can proceed to change the settings according to your needs.  Select the item you want to change and in the menu on the left, select the appropriate parameters.

After finishing work, select update at the bottom of the page, and it's ready.