/*浮动*/.fl{    float: left;}.fr{    float: right;}/*内边距*/.p10{    padding: 10px;}/*外边距*/.m10{    margin: 10px;}.ml10{    margin-left: 10px;}.mr10{    margin-right: 10px;}.mt10{    margin-top: 10px;}.mt20{    margin-top: 20px;}.mt30{    margin-top: 30px;}.mb10{    margin-bottom: 10px;}.mb15{    margin-bottom: 15px;}.mb20{    margin-bottom: 20px;}/*宽度*/.w1200{    width: 1200px;    margin: 0px auto;}.w_100{    width: 100%;    margin: 0px auto;}/*高度*/.h30{    height: 30px;}/*颜色*/.bg_ff4900{    background-color: #ff4900;}.bg_02cd01{    background-color: #02cd01;}.bg_4876ff{    background-color: #4876ff;}/*边框*/.br999{    border-right: 1px solid #999;}.br9e999d{	border-right: 1px solid #9e999d;}.bgimg_xg{	background:url(../img/xiegang.jpg) no-repeat right;}