.help-block-error {
    color: #ff5252 !important;
    }

  .chat-header {
      background: #fff;
      width: 100%;
      padding-left: 10px;
  }
  .chat-text {
      /*margin-top: 35px;*/
      background: #fff;
      width: 100%;
      padding: 22px;
      max-height: 100%;
      box-sizing: border-box;
      -moz-box-sizing: border-box;
  }

  .chat-box {
    display: none;
    z-index: 9999;
    position: fixed;
    right: 25px; 
    bottom: 14px; 
    background: #fff;
    width: 400px;
    max-height: calc(100% - 70px);
        max-width: calc(100% - 50px);
    padding: 12px;
    border-radius: 12px;
    overflow: auto;
    -webkit-box-shadow: 0px 0px 30px -2px #A0A0A0; 
    box-shadow: 0px 0px 30px -2px #A0A0A0;

  }