.comment-item {
      padding: 15px;
      border-bottom: 1px solid #e0e0e0;
    }

 .avatar-img {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      float: left;
    }

 .comment-content {
      margin-left: 50px;
    }

 .comment-author {
      font-weight: bold;
    }

 .comment-text {
      margin-top: 5px;
    }

 .comment-time {
      color: #888;
      font-size: 12px;
      margin-top: 3px;
    }