nextcloud/apps/systemtags/css/settings.css

.systemtag-input {
	display: flex;
	flex-wrap: wrap;
}
#systemtags .select2-container {
	width: 100%;
	max-width: 400px;
}
#systemtags .select2-container .select2-choice {
	height: auto;
}
#systemtag_name {
	width: 100%;
	max-width: 400px;
}