MiniPrograms_Activity/pages/sonTopic/sonTopic.wxss

/* pages/sonTopic/sonTopic.wxss */
.topic .topicTable {
  display: flex;
}

.topic .topicTable .topicItem {
  flex: 1;
  padding: 5px 10px;
}
.topic .itemView,
.topic .mainTitle{
  padding: 5px 10px;
}

.topic .mainTitle{
  font-size: 18px;
  font-weight: 400;
  border-bottom-color:red;
}