reader/pages/user/mycourse/mycourse.wxss

.my-course {
  margin-top: 44rpx;
  display: flex;
  /* justify-content: space-around; */
  flex-direction: row;
  flex-wrap: wrap;
}

.book-item{
  margin-left: 20rpx;
  margin-bottom: 20rpx;
  width: 214rpx;
}

.book-box{
  width: 214rpx;
  height: 290rpx;
}

.book-box>image{
  width:100%;
  height: 100%;
}

.book-item>.item-title{
  margin-top:18rpx;
  width: 100%;
  font-size: 24rpx;
  color:#373737;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  text-align: center;
}