.commentList .item {
  list-style: none outside none;
  margin: 1.6rem 0 0;
}
.commentList .avatar {
  border: 1px solid transparent;
  float: left;
}
.comment-main {
  position: relative;
  margin-left: 64px;
  border: 1px solid #dedede;
  border-radius: 2px;
}
.comment-main:after,
.comment-main:before {
  position: absolute;
  top: 11px;
  left: -16px;
  right: 100%;
  width: 0;
  height: 0;
  display: block;
  content: " ";
  border-color: transparent;
  border-style: solid solid outset;
  pointer-events: none;
}
.comment-main:before {
  border-right-color: #dedede;
  border-width: 8px;
}
.comment-main:after {
  border-width: 7px;
  border-right-color: #f8f8f8;
  margin-top: 1px;
  margin-left: 2px;
}
.comment-header {
  padding: 10px 15px;
  background: #f8f8f8;
  border-bottom: 1px solid #eee;
}
.comment-title {
  margin: 0 0 8px;
  font-size: 1.6rem;
  line-height: 1.2;
}
.comment-meta {
  font-size: 13px;
  color: #999;
  line-height: 1.2;
}
.comment-meta a {
  color: #999;
}
.comment-author {
  font-weight: 700;
  color: #999;
}
.comment-body {
  padding: 15px;
  overflow: hidden;
}
.comment-body > :last-child {
  margin-bottom: 0;
}
.commentList .comment-flip .avatar {
  float: right;
}
.comment-flip .comment-main {
  margin-left: 0;
  margin-right: 64px;
}
.comment-flip .comment-main:before {
  border-left-color: #dedede;
  border-right-color: transparent;
}
.comment-flip .comment-main:after,
.comment-flip .comment-main:before {
  left: 100%;
  position: absolute;
  right: -16px;
}
.comment-flip .comment-main:after {
  border-left-color: #f8f8f8;
  border-right-color: transparent;
  margin-left: auto;
  margin-right: 2px;
}