The NEC framework standardizes css functions and neccss
/* Function */
. F-cb: after ,. f-cbli li: after {display: block; clear: both; visibility: hidden; height: 0; overflow: hidden; content :". ";}
. F-cb,. f-cbli li {zoom: 1 ;}
. F-ib {display: inline-block; * display: inline; * zoom: 1 ;}
. F-dn {display: none ;}
. F-db {display: block ;}
. F-fl {float: left ;}
. F-fr {float: right ;}
. F-pr {position: relative ;}
. F-prz {position: relative; zoom: 1 ;}
. F-oh {overflow: hidden ;}
. F-ff0 {font-family: arial, \ 5b8b \ 4f53 ;}
. F-ff1 {font-family: "Microsoft YaHei", \ 5fae \ 8f6f \ 96c5 \ 9ed1, arial, \ 5b8b \ 4f53 ;}
. F-fs1 {font-size: 12px ;}
F-fs2 {font-size: 14px ;}
. F-fwn {font-weight: normal ;}
. F-fwb {font-weight: bold ;}
. F-tal {text-align: left ;}
. F-tac {text-align: center ;}
. F-tar {text-align: right ;}
. F-taj {text-align: justify; text-justify: inter-ideograph ;}
. F-vam,. f-vama * {vertical-align: middle ;}
. F-wsn {word-wrap: normal; white-space: nowrap ;}
. F-pre {overflow: hidden; text-align: left; white-space: pre-wrap; word-wrap: break-word; word-break: break-all ;}
. F-wwb {white-space: normal; word-wrap: break-word; word-break: break-all ;}
. F-ti {overflow: hidden; text-indent:-30000px ;}
. F-ti2 {text-indent: 2em ;}
. F-lhn {line-height: normal ;}
. F-tdu,. f-tdu: hover {text-decoration: underline ;}
. F-tdn,. f-tdn: hover {text-decoration: none ;}
. F-toe {overflow: hidden; word-wrap: normal; white-space: nowrap; text-overflow: ellipsis ;}
. F-csp {cursor: pointer ;}
. F-csd {cursor: default ;}
. F-csh {cursor: help ;}
. F-csm {cursor: move ;}
. F-usn {-webkit-user-select: none;-moz-user-select: none;-ms-user-select: none;-o-user-select: none; user-select: none ;}