/*图标 begin*/
.icon_1{ background:url(images/sprites1.png) no-repeat 0 0;}
.icon_2{ background:url(images/sprites1.png) no-repeat -60px 0;}
.icon_3{ background:url(images/sprites1.png) no-repeat -120px 0;}
.icon_4{ background:url(images/sprites1.png) no-repeat -180px 0;}
.icon_5{ background:url(images/sprites1.png) no-repeat -240px 0;}
.icon_6{ background:url(images/sprites1.png) no-repeat -300px 0;}
.icon_7{ background:url(images/sprites1.png) no-repeat -360px 0;}
.icon_8{ background:url(images/sprites1.png) no-repeat -420px -180px;}
.icon_9{ background:url(images/sprites1.png) no-repeat -480px -180px;}

.icon_1_1{ background:url(images/sprites1.png) no-repeat -420px 0;}
.icon_1_2{ background:url(images/sprites1.png) no-repeat -480px 0;}
.icon_1_3{ background:url(images/sprites1.png) no-repeat -540px 0;}
.icon_1_4{ background:url(images/sprites1.png) no-repeat -600px 0;}
.icon_1_5{ background:url(images/sprites1.png) no-repeat -660px 0;}
.icon_1_6{ background:url(images/sprites1.png) no-repeat -720px 0;}
.icon_1_7{ background:url(images/sprites1.png) no-repeat 0 -180px;}
.icon_1_8{ background:url(images/sprites1.png) no-repeat -60px -180px;}
.icon_1_9{ background:url(images/sprites1.png) no-repeat -720px -60px;}
.icon_1_10{background:url(images/sprites1.png) no-repeat -600px -180px;}

.icon_2_1{ background:url(images/sprites1.png) no-repeat -780px 0}
.icon_2_2{ background:url(images/sprites1.png) no-repeat -840px 0}
.icon_2_3{ background:url(images/sprites1.png) no-repeat -900px 0}
.icon_2_4{ background:url(images/sprites1.png) no-repeat 0 -60px}
.icon_2_5{ background:url(images/sprites1.png) no-repeat -60px -60px}
.icon_2_6{ background:url(images/sprites1.png) no-repeat -120px -60px}
.icon_2_7{ background:url(images/sprites1.png) no-repeat -180px -60px}
.icon_2_8{ background:url(images/sprites1.png) no-repeat -240px -60px}
.icon_2_9{ background:url(images/sprites1.png) no-repeat -300px -60px}
.icon_2_10{ background:url(images/sprites1.png) no-repeat -120px -180px}
.icon_2_11{ background:url(images/sprites1.png) no-repeat -180px -180px}
.icon_2_12{ background:url(images/sprites1.png) no-repeat -240px -180px}
.icon_2_13{ background:url(images/sprites1.png) no-repeat -300px -180px}
.icon_2_14{ background:url(images/sprites1_new.png) no-repeat -540px -180px}
.icon_2_15{ background:url(images/sprites1_new.png) no-repeat -600px -180px}
.icon_2_16{ background:url(images/sprites1_new.png) no-repeat -660px -180px}
.icon_2_17{ background:url(images/sprites1.png) no-repeat -660px -180px}

.icon_3_1{ background:url(images/sprites1.png) no-repeat -360px -60px}
.icon_3_2{ background:url(images/sprites1.png) no-repeat -420px -60px}
.icon_3_3{ background:url(images/sprites1.png) no-repeat -480px -60px}
.icon_3_4{ background:url(images/sprites1.png) no-repeat -540px -60px}
.icon_3_5{ background:url(images/sprites1.png) no-repeat -600px -60px}
.icon_3_6{ background:url(images/sprites1.png) no-repeat -660px -60px}
.icon_3_7{ background:url(images/sprites1.png) no-repeat -720px -60px}

.icon_4_0{ background:url(images/mooc.png) no-repeat 0px 0px}
.icon_4_1{ background:url(images/sprites1.png) no-repeat -780px -60px}
.icon_4_2{ background:url(images/sprites1.png) no-repeat -840px -60px}
.icon_4_3{ background:url(images/sprites1.png) no-repeat -900px -60px}

.icon_5_1{ background:url(images/sprites1.png) no-repeat 0 -120px}
.icon_5_2{ background:url(images/sprites1.png) no-repeat -60px -120px}
.icon_5_3{ background:url(images/sprites1.png) no-repeat -120px -120px}
.icon_5_4{ background:url(images/sprites1.png) no-repeat -180px -120px}
.icon_5_5{ background:url(images/sprites1.png) no-repeat -240px -120px}

.icon_6_1{ background:url(images/sprites1.png) no-repeat -300px -120px}
.icon_6_2{ background:url(images/sprites1.png) no-repeat -360px -120px}
.icon_6_3{ background:url(images/sprites1.png) no-repeat -420px -120px}
.icon_6_4{ background:url(images/sprites1.png) no-repeat -480px -120px}
.icon_6_5{ background:url(images/sprites1.png) no-repeat -360px -180px}

.icon_7_1{ background:url(images/sprites1.png) no-repeat -540px -120px}
.icon_7_2{ background:url(images/sprites1.png) no-repeat -600px -120px}
.icon_7_3{ background:url(images/sprites1.png) no-repeat -660px -120px}
.icon_7_4{ background:url(images/sprites1.png) no-repeat -720px -120px}
.icon_7_5{ background:url(images/sprites1.png) no-repeat -780px -120px}
.icon_7_6{ background:url(images/sprites1.png) no-repeat -840px -120px}
.icon_7_7{ background:url(images/sprites1.png) no-repeat -900px -120px}
.icon_7_8{background:url(images/sprites1.png) no-repeat -540px -180px}

.icon_s{ display:inline-block; height:16px; width:16px; margin-right:10px }
.icon_s_1{background:url(images/sprites2.png) no-repeat -120px 0;}
.icon_s_2{background:url(images/sprites2.png) no-repeat -100px 0;}
.icon_s_3{background:url(images/sprites2.png) no-repeat -80px 0;}
.icon_s_4{background:url(images/sprites2.png) no-repeat -60px 0;}
.icon_s_5{background:url(images/sprites2.png) no-repeat -40px 0;}
.icon_s_6{background:url(images/sprites2.png) no-repeat -20px 0;}
.icon_s_7{background:url(images/sprites2.png) no-repeat 0 0;}
.icon_s_8{background:url(images/sprites2.png) no-repeat -160px 0;}
.icon_s_9{background:url(images/sprites2.png) no-repeat -160px -20px;}
.icon_s_10{background:url(images/sprites2.png) no-repeat 0 -40px;}
.icon_s_11{background:url(images/sprites2.png) no-repeat -20px -40px;}
.icon_s_12{background:url(images/sprites2.png) no-repeat -40px -40px;}
.icon_s_13{background:url(images/sprites2.png) no-repeat -60px -40px;}
.icon_s_14{background:url(images/sprites2.png) no-repeat -80px -40px;}
.icon_s_15{background:url(images/sprites2.png) no-repeat -100px -40px;}
.icon_s_16{background:url(images/sprites2.png) no-repeat -120px -40px;}
.icon_s_17{background:url(images/sprites2.png) no-repeat -140px -40px;}
.icon_s_18{background:url(images/sprites2.png) no-repeat -140px -20px;}
.icon_s_19{background:url(images/sprites2.png) no-repeat -120px -20px;}
.icon_s_20{background:url(images/sprites2.png) no-repeat -100px -20px;}
.icon_s_21{background:url(images/sprites2.png) no-repeat -80px -20px;}
.icon_s_22{background:url(images/sprites2.png) no-repeat -140px 0;}
.icon_s_23{background:url(images/sprites2.png) no-repeat -60px -20px;}
.icon_s_24{background:url(images/sprites2.png) no-repeat -40px -20px;}
.icon_s_25{background:url(images/sprites2.png) no-repeat -20px -20px;}
.icon_s_26{background:url(images/sprites2.png) no-repeat 0 -20px;}
.icon_s_27{background:url(images/sprites2.png) no-repeat -160px -40px;}
.icon_s_28{background:url(images/sprites2.png) no-repeat 0 -60px;}
.icon_s_29{background:url(images/sprites2.png) no-repeat -20px -60px;}
.icon_s_30{background:url(images/sprites2.png) no-repeat -40px -60px;}
.icon_s_31{background:url(images/sprites2.png) no-repeat -60px -60px;}
.icon_s_32{background:url(images/sprites2.png) no-repeat -80px -60px;}
.icon_s_33{background:url(images/sprites2.png) no-repeat -120px -60px;}
.icon_s_34{background:url(images/sprites2.png) no-repeat -100px -60px;}
.icon_s_35{background:url(images/sprites2.png) no-repeat -140px -60px;}
.icon_s_36{background:url(images/sprites2.png) no-repeat -160px -60px;}
.icon_s_37{background:url(images/sprites2.png?20140303) no-repeat -60px -80px;}
.icon_s_38{background:url(images/sprites2.png?20140303) no-repeat -80px -80px;}
.icon_s_39{background:url(images/sprites2_2.png) no-repeat -20px -80px;}
.icon_s_40{background:url(images/sprites2.png) no-repeat -40px -80px;}
.icon_s_41{background:url(images/sprites2.png) no-repeat   -100px -80px;}   /*空间微信*/
.icon_s_42{background:url(images/sprites2_3.png?20160518) no-repeat -120px -80px;} /*我的课程*/
.icon_s_43{background:url(images/sprites2_3.png?20160518) no-repeat  -141px -80px;} /*我的慕课*/
.icon_s_44{background:url(images/sprites2_3.png?20160804) no-repeat  -160px -80px;} /*课程表*/
.icon_s_46{background:url(images/sprites2_3.png) no-repeat 0 -100px;} /*文章*/
.icon_s_47{background:url(images/sprites2_3.png) no-repeat -21px -100px;} /*视频*/

.icon_notice_1{background:url(images/sprites3.png) no-repeat -60px 0;}
.icon_notice_2{background:url(images/sprites3.png) no-repeat -80px 0;}
.icon_notice_3{background:url(images/sprites3.png) no-repeat -20px 0;}
.icon_notice_4{background:url(images/sprites3.png) no-repeat 0 0;}
.icon_notice_5{background:url(images/sprites3.png) no-repeat -40px 0;}
.icon_notice_6{background:url(images/sprites3.png) no-repeat -100px 0;}

.icon_80_3_1{background: url("images/icon_3_1.png") no-repeat scroll 0 0 transparent;}
.icon_80_3_2{background: url("images/icon_3_2.png") no-repeat scroll 0 0 transparent;}
.icon_80_3_3{background: url("images/icon_3_3.png") no-repeat scroll 0 0 transparent;}
.icon_80_3_4{background: url("images/icon_3_4.png") no-repeat scroll 0 0 transparent;}
.icon_80_3_5{background: url("images/icon_3_5.png") no-repeat scroll 0 0 transparent;}
.icon_80_3_6{background: url("images/icon_3_6.png") no-repeat scroll 0 0 transparent;}
.icon_80_3_7{background: url("images/icon_3_7.png") no-repeat scroll 0 0 transparent;}
.icon_80_3_8{background: url("images/icon_3_8.png") no-repeat scroll 0 0 transparent;}
.icon_80_3_9{background: url("images/icon_3_9.png") no-repeat scroll 0 0 transparent;}
.icon_80_3_10{background: url("images/icon_3_10.png") no-repeat scroll 0 0 transparent;}
.icon_80_3_11{background: url("images/icon_3_11.png") no-repeat scroll 0 0 transparent;}

.icon_add{background: url("images/icon_add.png") no-repeat scroll 0 0 transparent;}
/*图标 end*/

.pri-icon{background: url("images/pri20_30.jpg") no-repeat scroll 0 0 transparent; border-color: #9A9A9A #CDCDCD #CDCDCD transparent;border-style: solid;border-width: 1px;height: 30px; margin-left: -1px;width: 20px;}