Change the distance between

Hello, everyone!
I need to change the distance between the input and the button to make it look more compact for a responsive design. In the desktop version, these elements are arranged in one row. 

Thank you!

Can you share your website URL and the page?

10 minutes ago, Ziggy said:

Can you share your website URL and the page?

Yes, but it hasn't been published yet. This is the standard form view, without any additional code

https://lafemmeralucom.squarespace.com/config/pages/63ea6a6645f8c735ed823100

Can you add and share a site wide password:

https://support.squarespace.com/hc/en-us/articles/205815528-Site-wide-passwords

38 minutes ago, Ziggy said:

Can you add and share a site wide password:

https://support.squarespace.com/hc/en-us/articles/205815528-Site-wide-passwords

peachyblog

https://lafemmeralucom.squarespace.com/
 

When I checked the site, I also saw that the right side of the navigation is hidden, can you help me with this as well?

20 hours ago, Ziggy said:

Add this to your Custom CSS:

.newsletter-block .newsletter-form-button-wrapper {
  margin-top:0px;
}

 

But now it looks like this in the desktop:

1 hour ago, katerynalubska said:

But now it looks like this in the desktop:

add to code:

.newsletter-block .newsletter-form-button-wrapper {
  margin-top:0px;
  margin-bottom:-14px;
}