.add-class-win{width:643px;height:524px}.class-sel-box{height:calc(100% - 53px);overflow-y:auto;width:100%;padding:24px 0 40px 28px}.sel-period,.sel-year{min-height:31px;font-size:14px;color:#2e2e2e;margin-bottom:8px}.sel-period-title,.sel-year-title{float:left;display:inline-block;height:31px;line-height:31px}.sel-period ul,.sel-year ul{display:inline-block;max-width:503px;margin-left:10px}.sel-period ul li,.sel-year ul li{float:left;border:1px solid #d9e0e8;padding-left:15px;padding-right:15px;margin-right:9px;margin-bottom:9px;border-radius:2px;line-height:31px;height:31px;cursor:pointer}.sel-period .sel-period-now,.sel-year .sel-year-now{color:#fff;border:1px solid #54b2e8;background:#54b2e8 url(https://static.ets100.com/teacherend/dist/images/sel-year-now-0ade955fd6.png) no-repeat right bottom}.seled-class{min-height:44px;font-size:14px;color:#2e2e2e;margin-bottom:26px}.seled-class-title{float:left;display:inline-block;height:31px;line-height:31px;width:88px}.seled-class ul{display:inline-block;max-width:503px;margin-left:10px}.seled-class ul li{float:left;border:1px solid #cbe2ef;padding-left:13px;padding-right:13px;margin-right:9px;margin-bottom:9px;border-radius:2px;color:#6bbceb;height:31px;line-height:31px;cursor:pointer}.seled-class-tips{line-height:31px;color:#bcbcbc}.cre-class-btn{height:31px;width:76px;background-color:#3CAAEA;border:none;outline:0;border-radius:3px;text-align:center;line-height:31px;color:#fff;font-size:14px;cursor:pointer;margin-left:23px;margin-right:12px}.cre-class-cancel-btn{height:31px;width:76px;background-color:#fff;border:1px solid #ececed;outline:0;border-radius:3px;text-align:center;line-height:29px;color:#2199de;font-size:14px;cursor:pointer}.seled-class-close{width:9px;height:9px;margin-left:10px;display:inline-block;background:url(https://static.ets100.com/teacherend/dist/images/seled-class-close-4dbc7ef4c0.png) no-repeat;position:relative;top:0;cursor:pointer}.gray{color:gray;cursor:context-menu!important}.sel-class{min-height:45px;font-size:14px;color:#2e2e2e;margin-bottom:38px}.sel-class-title{float:left;display:inline-block;height:45px;line-height:45px;width:88px}.sel-grade-ul{display:inline-block;width:503px;height:45px;background:#e5ebf2;float:left}.sel-grade-ul li{float:left;height:100%;padding:0 17px;line-height:45px;height:45px;cursor:pointer}.sel-grade-ul .li-now{background:#f7fafd;color:#75c0ec}.sel-class-ul{display:inline-block;width:503px;margin-left:88px;background:#f7fafd;margin-top:-4px}.sel-class-ul li{float:left;text-align:center;line-height:45px;height:45px;width:79px;cursor:pointer}.sel-class-ul li input{margin-right:6px}.cre-box{display:none}.cre-class{background:#fff;color:#30a0e0;margin-left:88px;line-height:31px;font-size:14px}.cre-tips{cursor:pointer}.cre-class-text{height:31px;width:165px;border:1px solid #d9e0e8;border-radius:1px;line-height:normal;padding-left:11px;font-size:14px;outline:0;margin-right:4px}.add-class-btn{height:32px;width:238px;line-height:32px;background-color:#3CAAEA;border:none;outline:0;border-radius:3px;text-align:center;display:block;color:#fff;font-size:14px;cursor:pointer;margin:0 auto}.back-school-btn{height:32px;width:238px;line-height:32px;border:none;outline:0;border-radius:3px;text-align:center;display:block;color:#2199de;font-size:14px;cursor:pointer;margin:0 auto}.skip-btn{outline:0;border:0;background:#fff;position:relative;top:7px;font-size:14px;margin-left:16px;color:gray;cursor:pointer;text-decoration:underline}