Emotion icons design. It's available on WeChat now: https://sticker.weixin.qq.com/cgi-bin/mmemoticon-bin/emoticonview?oper=single&t=shop/detail&productid=aL2PCfwK/89qO7sF6/+I+UDhfwEjhec2ZNvdnLLJRd/NOiaatdA68wC0E58d5DpzlZDG2pkA9dTs59wB/9ZgFfdAuiFMwPjn4WsBXJaOCwRY=
