How can I adjust the image slide size in Zest theme?

[sukhdevjudge]

Hello,

In Zest theme slide size automatically change when i add second image. size change when i added slide 2 image.

after both slide the slide shows like.

I want the slide look like as

[TerenceKEANE]

Hi!

If you can send me the website link I can take a look!

Terence