Compass導入ガイド ref: https://qiita.com/AsagiriDesign/items/db12237796d1e7c9e632

file0.txt

# パス指定
http_path = "/"
css_dir = "css"
sass_dir = "sass"
images_dir = "img"
javascripts_dir = "js"

# オプション
output_style = :expanded
line_comments = false

file1.txt

#main {
  width: 600px;
  p {
    margin: 0 0 1em;
    color:  #666;
    }
}

file2.css

#main {
  width: 600px; }
  #main p {
    margin: 0 0 1em;
    color: #666; }

file3.css

#main {
  width: 600px;
}
#main p {
  margin: 0 0 1em;
  color: #666;
}

file4.css

#main { width: 600px; }
#main p { margin: 0 0 1em; color: #666; }

file5.css

#main{width:600px}#main p{margin:0 0 1em;color:#666}

file6.txt

# 追加 no cache 
cache = false
# 追加 no map
sourcemap = false

# コメントアウト取る
line_comments = false

file7.txt

.hoge{
  .huga{
    width:auto;
  }
}

file8.css

.hoge .huga {
  width: auto;
}