web -- 小知识大用处

font-family: "Helvetica Neue",Helvetica,Arial,"Hiragino Sans GB","Hiragino Sans GB W3","Microsoft YaHei UI","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif;
CSS 去除手机点击时出现的灰色背景   #div: -webkit-tap-highlight-color:rgba(202, 255, 112, 0);