NO. Unlike PageFly, Zipify or many other page builders, Tapita does NOT have a page size limit. That means you are able to build as long a page as you want, without any limitations whatsoever.
You can change the background color of the Dropdown title with a bit of code: Go to Page Settings > Advanced > Custom JS and add this below code. Note that this will affect all dropdowns on your page. .spb-item.type_dropdown .smpb-dropdown-title{ ...
This will affect all Dropdown title bars on your page. To change the background color of your Dropdown title bars, go to your Page Settings > Styles, then copy and paste the following code into the Custom CSS field: .spb-item.type_dropdown ...
The images will adjust themselves to any block so there is no need for a specific size of the images. However, too big images may cause your page to slow down, so please upload images whose width are no more than: For desktop: 1920px For tablet: ...