Opening the plug forces to expand the window height of System Settings

[ryonakano]

What Happened?

Opening Notifications Plug forces to expand the window height of System Settings.

Screencast.from.2025-08-14.09-13-33.mp4

Steps to Reproduce

1. Open System Settings
2. Visit Notifications Plug
3. See the window height of System Settings is expanded

Expected Behavior

The window height of System Settings is not changed in the above step 3.

OS Version

8.x (Circe)

OS Architecture

amd64 (on most hardwares)

Session Type

Secure Session (Wayland)

Software Version

Latest release (I have run all updates)

Log Output

Hardware Info

No response

[xujie86]

Part 1
settingspage.notifications .card {
background-position: center;
background-repeat: no-repeat;
background-size: 112px 80px, cover;
min-width: 112px;
min-height: 80px;
margin-top: 1em;
margin-bottom: 2em;
}

Part 2
private void build_ui () {
stack = new Gtk.Stack ();

    main_view = new Widgets.MainView ();
    alert_view = create_alert_view ();

    stack.add_named (main_view, "main-view");
    stack.add_named (alert_view, "alert-view");
}