Redundant division line at the top of a setting group whose first item is invisible

Bug reports
1

Steps to reproduce

  1. Open Obsidian
  2. Navigate to a setting page which contains a SettingDefinitionGroup whose first item’s visible evaluates to false.
  3. See a redundant division line at the top of the setting group.

Pasted image
Pasted image740×301 18 KB

Pasted image (2)
Pasted image (2)730×300 18.1 KB

Did you read and follow the Troubleshooting Guide ? Yes

Expected result

Division line is hidden when the first item is invisible.

Actual result

A redundant devision line.

Environment

SYSTEM INFO:
	Obsidian version: 1.13.4
	Installer version: 1.13.4
	Operating system: #1-NixOS SMP PREEMPT_DYNAMIC Sun Aug  9 18:25:30 UTC 2026 6.18.44
	Login status: logged in
	Language: en
	Catalyst license: none
	Insider build toggle: off
	Live preview: on
	Base theme: adapt to system
	Community theme: none
	Snippets enabled: 0
	Restricted mode: off
	Plugins installed: 4
	Plugins enabled: 1
		1: Sync Engine v3.1.0

Distro Name: NixOS
Distro Version: 26.11
Desktop Environment: GNOME
Installation method used: Appimage

Additional information

I think this style defect is unrelated with my operating system or desktop environment or installation method. This is just some CSS.

2

This bug appears in 1.13.7 on Android too.