web/src/views/mp/components/wx-msg/comment.scss

/* 来自 https://github.com/nmxiaowei/avue/blob/master/styles/src/element-ui/comment.scss  */
.avue-comment{
  margin-bottom: 30px;
  display: flex;
  align-items: flex-start;
  &--reverse{
    flex-direction:row-reverse;
    .avue-comment__main{
      &:before,&:after{
        left: auto;
        right: -8px;
        border-width: 8px 0 8px 8px;
      }
      &:before{
        border-left-color: #dedede;
      }
      &:after{
        border-left-color: #f8f8f8;
        margin-right: 1px;
        margin-left: auto;
      }
    }
  }
  &__avatar{
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid transparent;
    box-sizing: border-box;
    vertical-align: middle;
  }
  &__header{
    padding: 5px 15px;
    background: #f8f8f8;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  &__author{
    font-weight: 700;
    font-size: 14px;
    color: #999;
  }
  &__main{
    flex:1;
    margin: 0 20px;
    position: relative;
    border: 1px solid #dedede;
    border-radius: 2px;
    &:before,&:after{
      position: absolute;
      top: 10px;
      left: -8px;
      right: 100%;
      width: 0;
      height: 0;
      display: block;
      content: " ";
      border-color: transparent;
      border-style: solid solid outset;
      border-width: 8px 8px 8px 0;
      pointer-events: none;
    }
    &:before {
      border-right-color: #dedede;
      z-index: 1;
    }
    &:after{
      border-right-color: #f8f8f8;
      margin-left: 1px;
      z-index: 2;
    }
  }
  &__body{
    padding: 15px;
    overflow: hidden;
    background: #fff;
    font-family: Segoe UI,Lucida Grande,Helvetica,Arial,Microsoft YaHei,FreeSans,Arimo,Droid Sans,wenquanyi micro hei,Hiragino Sans GB,Hiragino Sans GB W3,FontAwesome,sans-serif;color: #333;
    font-size: 14px;
  }
  blockquote{
    margin:0;
    font-family: Georgia,Times New Roman,Times,Kai,Kaiti SC,KaiTi,BiauKai,FontAwesome,serif;
    padding: 1px 0 1px 15px;
    border-left: 4px solid #ddd;
  }
}