ColorUI/pages/icon/icon.wxss

.doc-icon-list {
  display: flex;
  flex-wrap: wrap;
}

.doc-icon-list .iconfont {
  width: 33.33%;
  background: #fff;
  text-align: center;
  padding: 30rpx 0;
  border-right: 1rpx solid #eee;
  border-top: 1rpx solid #eee;
  color: #888;
}

.doc-icon-list .iconfont:nth-child(3n) {
  border-right: 0rpx solid #eee;
}

.doc-icon-list .iconfont::before {
  font-size: 50rpx;
}

.doc-icon-list .iconfont text {
  display: block;
  color: #aaa;
  font-size: 24rpx;
  line-height: 60rpx;
  font-family: Arial, -apple-system-font, Helvetica Neue, Helvetica, sans-serif;
}