issue with overlay

[ssjogus]

hi,

i have installed the preline with npm command, when i am trying to open the modal, the form is getting opened, but the gray overlay is not getting generated properly (it is not getting any height or width). Is anybody facing any this issue? I tried to install overlay sepeately as well:

npm i preline

and also with

npm i @preline/overlay

any help will be appreciated..