Prestige Theme - Can I change the colour, and sizing of the the default pop up banner?

Store Design
1

Hi everyone,

is it possible to change the colour, and sizing of the the default pop up banner?

https://techtron-online.myshopify.com/

crudah

2

@Multibrands Please go to Themes → Edit code → Assets → theme.css

.NewsletterPopup {
  
   background-color: #fff!important;
}