.classroom .classroom_title{text-align:center;margin-top:20px}.classroom .classroom_sub_title{text-align:center}.classroom #seat{margin:30px 0 0 60px;width:1000px;height:600px;margin:50px auto 0}.classroom #seat .info{height:40px;line-height:40px}.classroom #seat .info ul li{float:left;border:1px solid #ccc;padding:0 20px;border-right:none}.classroom #seat .info ul li:last-child{border-right:1px solid #ccc}.classroom #seat .seatsRow .title{text-align:center;font-size:20px;font-weight:700;height:60px;line-height:60px;background:#efefef}.classroom #seat .seatsRow .title button{width:80px;height:40px;color:#fff;text-align:center;line-height:40px;margin-left:10px;cursor:pointer;font-size:16px;font-weight:700}.classroom #seat .seatsRow .title button:hover{opacity:.8}.classroom #seat .seatsRow .title .submit_btn{background:red}.classroom #seat .seatsRow .title .reset_btn{background:#333}.classroom #seat .seatsRow .seat{display:flex;justify-content:flex-start;align-items:center;width:1000px;height:60px}.classroom #seat .seatsRow .seat li{font-size:20px;width:100px;text-align:center;line-height:60px;border:1px solid #ccc;cursor:pointer;box-sizing:border-box}.classroom #seat .seatsRow .seat li span{display:block;width:100px;line-height:30px}