.add:before {content: "271A";}➕
.edit:before {content: "270E";}小笔
.delete:before{content: "2718";}×
.save:before { content: "2714";}勾
.email:before{ content: "2709";}信封
.like:before{ content: "2764";}心
.next:before{content: "279C";}左箭头
.star:before{content: "2605";}五角星
.spark:before{content: "2737";}星星
.play:before{content: "25B6";}播放标志
.go:before{ content: " 0BB";}