sass的四种css编译风格

#main {
 color: #fff;
 background-color: #000; }
 #main p {
 width: 10em; }

.huge {
 font-size: 10em;
 font-weight: bold;
 text-decoration: underline; }

2.expanded

#main {
 color: #fff;
 background-color: #000;
}
#main p {
 width: 10em;
}

.huge {
 font-size: 10em;
 font-weight: bold;
 text-decoration: underline;
}

3.compact

#main { color: #fff; background-color: #000; }
#main p { width: 10em; }

.huge { font-size: 10em; font-weight: bold; text-decoration: underline; }

4.compressed

#main{color:#fff;background-color:#000}#main p{width:10em}.huge{font-size:10em;font-weight:bold;text-decoration:underline}