gallery3/modules/comment/css/comment.css

#g-content #g-comment-form {
  margin-top: 2em;
}

#g-content #g-comments {
  margin-top: 2em;
  position: relative;
}

#g-content #g-comments ul li {
  margin: 1em 0;
}

#g-content #g-comments .g-author {
  border-bottom: 1px solid #ccc;
  color: #999;
  height: 32px;
  line-height: 32px;
}

#g-content #g-comments ul li div {
  padding: 0 8px 8px 43px;
}

#g-content #g-comments .g-avatar {
  height: 32px;
  margin-right: .4em;
  width: 32px;
}

#g-admin-comment-button {
  position: absolute;
  right: 0;
  top: 2px;
}