zotero/scss/preferences/_general.scss

#zotero-prefpane-general .statusLine {
	margin-inline-start: .75em;
}

.indented-pref {
	margin-inline-start: 2em;
}

.fileHandler-menus {
	display: grid;
	grid-template-columns: max-content max-content;
	align-items: center;
	justify-content: start;
	column-gap: 1em;
}

.fileHandler-menu .menulist-icon {
	height: 16px;
}

#item-pane-header-locale-menu {
	min-width: 12em;
}

@media (-moz-platform: macos) {
	#zotero-prefpane-file-renaming-file-types-box {
		gap: 8px;
	}
}

@media (-moz-platform: windows) {
	button, menulist, radio, checkbox, input {
		margin-block: 4px;
	}
}

// "Custom" option of OpenURL resolver is initially selected for better keyboard
// navigation on Windows, but we don't want to display the checkmark in that
// case. Only show checkmark if "checked=true".
#zotero-prefpane-general #openurl-menu {
	menuitem:is([selected="true"]):not([checked="true"])::before {
		visibility: hidden;
	}
}