sass
sass写css
安装ruby
install ruby
sudo apt-get install ruby
sass
安装sass
gem install sass
出现ERROR: Could not find a valid gem时的处理方法
更改镜像
$ gem sources –remove https://rubygems.org/
$ gem sources -a https://ruby.taobao.org/
$ gem sources -l
*** CURRENT SOURCES ***
sudo gem install sass
sass使用
1  | sass _bootstrap.scss bootstrap.scss  | 
compass
安装compass
gem install compass
compass使用
初始化项目
1  | compass create myproject  | 
编译
1  | compass compile  | 
ref
http://www.ruanyifeng.com/blog/2012/06/sass.html
http://my.oschina.net/sunshinewyf/blog/513235
