.hd_chatbot {
      background-color: #330066;
      padding: 10px 1em;
      display: block;
      clear: both;
      position: relative;
      top: 40px;
      color: #FFF;
      z-index: 1;
  }

  .chat_bt {
      position: fixed;
      bottom: 51px;
      right: 20px;
      background-color: #fff;
      width: 70px;
      height: 70px;
      z-index: 999;
      line-height: 20px;
      text-align: center;
      border-radius: 35px;
      font-size: 15px;
      cursor: pointer;
      box-shadow: 0 4px 17px 0 rgba(0, 0, 0, .14), 0 1px 32px 0 rgba(0, 0, 0, .12), 0 2px 9px -1px rgba(0, 0, 0, .2);
      padding-top: 1em;
  }

  .chat_block {
      display: none;
      position: fixed;
      z-index: 1000;
      width: 320px;
      height: 550px;
      bottom: 40px;
      right: 10px;
  }

  .chat_block .close_chat {
      position: absolute;
      top: 0;
      right: 0;
      color: #fff;
      cursor: pointer;
      font-size: 26px;
      z-index: 666;
      width: 100%;
      text-align: right;
      padding: 4px 10px 0 0;
  }

  .chat_block iframe {
      width: 100%;
      height: 550px;
      position: relative;
      z-index: 0;
      background-color: #fff;
      border: 1px solid #847f7f42;
      box-shadow: 0 0 7px 0 #000000b8;
  }

  .bx {
      background: #fff;
      position: absolute;
      bottom: -32px;
      left: 12px;
      z-index: 1;
      width: 35px;
      height: 33px;
  }

  @media screen and (max-width: 1366px) {

      .chat_bt {
          bottom: 33px;
      }
  }

  @media screen and (max-width: 414px) {

      .chat_block {
          width: 100%;
          height: 480px;
          right: 0!important;
      }
      .chat_block iframe {
          height: 480px;
      }
      .chat_block {
          padding: 0 10px;
      }
      .chat_block .close_chat {
          padding: 0 20px 0 0;
      }
  }

  @media screen and (max-width: 320px) {

      .chat_block {
          height: 400px;
      }
      .chat_block iframe {
          height: 400px;
      }
  }