[LTS] Material Design theme for typecho.
为中国大陆用户提供的镜像:https://disk.xiaolin.in/s/I39dLcQZdaNAYGw/download
为中国大陆用户提供的镜像:https://disk.xiaolin.in/s/5nR1TGQGG0W9ACP/download
And other small changes.