I am using the Strollik theme with the slider. How to I size the pictures correctly for the slider?
I have no experience with the Strollik theme, so I can’t really provide support for that theme. Remember, there are thousands of third-party themes created by developers from all around the world, each one with his or her own unique style of coding. As such, it’s nearly impossible for us to have a detailed understanding of each and every one of them.
I would recommend that you first reach out to the developer of your theme or plugin for help: