page{
  display: flex;
  flex-direction: column;
}
.body{
  flex: auto;
  flex-basis: 10px;
  height: 10px;
}
.nav-wrap{
  display: flex;
  justify-content: flex-end;
  text-align: end;
  margin: -1px 10px -4px 0;
}

.course-wrap{
  margin-bottom: 10px;
}
.add-course{
  position: fixed;
  right: 0;
  margin-right: 48rpx;
  margin-bottom: 36rpx; 
  bottom: 0;
  width: 45px;
  height: 45px;
}

.none-content{
  text-align: center;
}
text.none-content{
  font-size: 16px;
}

image.none-content{
  margin-top: 120rpx; 
  height: 240rpx;
  width: 220rpx;
}

.add-class:hover{
  opacity: 0.6;  
}