align-content

determines the spacing between lines. ( ⭐️ no effect if there's only one line )

📗 參考

• CSSTricks ⟩ align-content

📘 手冊

• MDN ⟩ align-content (initial value: normal)

👥 相關

• align-items

compare: align-items determines how the items as a whole are aligned within the container. ( ⭐️ both are along the cross axis )

	align-content : determines the spacing between lines. ( ⭐️ no effect if there's only one line )