.dt_content {
  padding: 8px 10px;
  line-height: 28px;
  text-align: left;
  font-size: 16px;
  color: #000;
  background-color: #FFF;
  .dt_content_pic {
    margin: 5px auto;
    text-align: center;
  }
  img {
    max-width: 100%;
    margin: 0 auto;
    display: block;
    width: auto !important;
    height: auto !important;
    &.dt_emo {
      display: inline;
      width: 18px;
      height: 18px;
    }
  }
}