comment/lib/components/ContentItem/index.css

.comment-item-box {
  margin: 10px 0 0 0;
  padding: 15px 5px 0 5px;
  border-top: 1px solid #eee;
}

.comment-item-left {
  display: inline-block;
  vertical-align: top;
  width: 40px;
}

.comment-item-right {
  display: inline-block;
  width: 90%;
  margin-left: 20px;
  margin-bottom: 20px;
}
.comment-item-avatar {
  width: 40px;
  height: 40px;
  border-radius: 20px;
  background-position: center;
  background-size: cover;
  cursor: pointer;
}
.comment-item-name{
  font-size: 16px;
}
.comment-item-content {
  margin: 10px 0;
  font-size: 16px;
  word-break: break-all;
}

.comment-item-bottom {
  margin: 20px auto;
}

.comment-item-bottom-left {
  float: left;
  user-select: none;
}

.comment-item-bottom-right {
  float: right;
  margin-left: 5px;
  cursor: pointer;
}

.comment-favor {
  font-size: 20px;
}

.comment-favored {
  color: #c00;
}

.comment-item-image {
  margin-left: -5px;
  width: 400px;
  max-width: 100%;
}

.comment-item-image .comment-item-image-wrapper {
  float: left;
  width: 25%;
  box-sizing: border-box;
  padding: 5px;
}

.comment-item-image .comment-item-image-wrapper .comment-img-thumbnail {
  background-position: center;
  background-size: cover;
  display: inline-block;
  width: 100%;
  height: 0;
  padding-bottom: 100%;
  border-radius: 5px;
  cursor: url("//links-comment.oss-cn-beijing.aliyuncs.com/comment/20180928/QPI84fxmD.undefined"),
    auto;
}

.comment-item-image .comment-item-image-wrapper .comment-img-divider {
  display: inline-block;
  width: 100%;
  height: 0;
  padding-bottom: 100%;
  border-radius: 5px;
}

.comment-item-image .comment-img {
  margin-right: 10px;
}

.avatar-hover-card-overlay {
  padding-top: 0;
}
.avatar-hover-card-overlay .ant-popover-inner-content {
  padding: 0;
}
.avatar-hover-card-overlay .ant-popover-arrow {
  display: none;
}

@media screen and (max-width: 616px) and (min-width: 449px) {
  .comment-item-right {
    display: inline-block;
    width: 85%;
    margin-left: 10px;
  }
}

@media screen and (max-width: 449px) and (min-width: 365px) {
  .comment-item-right {
    display: inline-block;
    width: 80%;
    margin-left: 10px;
  }
}

@media screen and (max-width: 365px) {
  .comment-item-right {
    display: inline-block;
    width: 75%;
    margin-left: 10px;
  }
}

@media (max-width: 575px) {
  .comment-item-avatar {
    width: 32px;
    height: 32px;
    border-radius: 16px;
  }
  .comment-item-name {
    font-size: 14px;
  } 
  .comment-item-content {
    font-size: 14px;
    margin: 4px 0;
  }
  .comment-item-date {
    font-size: 12px;
  }
}