the box background rectangle is drawn on all screens

[steveoriol]

Is there an existing issue for this?

• I have searched the existing issues

Operating system

Archlinux

Installation method

Package Manager (from OS)

Betterlockscreen & Dependency-Versions

Betterlockscreen: version: v4.2.0 (dunst: false, feh: true)
i3lock: version 2.13.c.5 
Version: ImageMagick 7.1.1-32 Q16-HDRI x86_64 2220

Bug description

the connection box background rectangle is drawn on all screens
even though we've specified that the login box be displayed on a single screen, it's not very pretty.
with --display 1 option.

Steps to reproduce

No response

Relevant log output

No response