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: windows) {
	button, menulist, radio, checkbox, input {
		margin-block: 4px;
	}
}