ui li{
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: row;
  flex-direction: row;
}
.leftBox,.rightBox{
  display: inline-block;
}
.leftBox{
  width:299px;
  border-right: 1px solid #ccc;
  text-align: center;
  height: 100px;
  line-height: 100px;
}
.rightBox{
  width:505px;
}
.xiaoqiu{
  display: inline-block;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid #ccc;
  margin-left: -12px;
  background: #fff;
  margin-top: 35px;
}
.hr{
  display: inline-block;
  width:60px;
  border-top:1px solid #ccc;
  margin-top: 30px;
}
.showList{
  display: inline-block;
  width: 355px;
  margin-top: 35px;
}
.showList p{
  display: inline-block;
  width: 355px;
}
.teacherName{
  display: inline-block;
  font-size: 12px!important;
  margin-top: 30px;
  color: #ccc;
  width: 80px;
  text-align: center;
  overflow: hidden;
}
/* 按钮开始 */
.classRoomBtnbox{
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  margin-top: 10px;
  position: relative;
}
#Part,#study,#thereno{
  background: none;
}
#study{
 color: red;
}
#Part{
color:green;
}
#thereno{
color: #ccc;
}
.btns{
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: flex-end ;
  justify-content: flex-end ;
  position: absolute;
  right: 0;
}
.classRoomBtnbox p{
  line-height: 25px;
  margin-left: 70px;
}
.classRoomBtnbox button{
  display: inline-block;
  border: none;
  outline: none;
  height: 25px;
  line-height: 25px;
  text-align: center;
  background:#ffb657;
  color: #fff;
  margin-left: 20px;
  border-radius: 5px;
  font-size: 12px;
  width: 80px;
}
#classInBtn{
  width: 130px;
}
/* 课件弹窗开始 */
.courseware{
display: none;
position: fixed;
left: 0;
right: 0;
top: 0;
bottom: 0;
z-index: 3000;
background-color:rgba(144,144,144,0.5);
overflow-x:hidden;
overflow-y:auto;
}
.coursewareContener{
  width: 800px;
  background: #fff;
  margin:100px auto;
  overflow: hidden;
  padding-bottom: 50px;
  padding: 20px 90px;
  box-sizing: border-box;
}
.title,.courseShow{
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content:space-between;
}
/*弹窗内容样式开始 */
.courseShow{
margin: 20px 0;
}
.courseShow button,.courseShow span{
  display: inline-block;
  line-height: 25px;
  height: 25px;
}
.courseShow button{
  margin-left: 30px;
  background: #ffb657;
  border: none;
  outline: none;
  width: 50px;
  text-align: center;
  color: #fff;
  font-size: 12px;
  border-radius: 5px;
}
.classification{
  margin: 30px 0;
}
.task{
  color: #ffb657;
  line-height: 30px;
}
/* 课件弹窗结束 */