#wrapper,
  #chatbox {
    text-align: left;
    margin: 0 auto;
    padding: 10px;
    background: #fff;
    height: auto;
    width: auto;
    border: 1px solid #a7a7a7;
    overflow: auto;
    border-radius: 4px;
    border-bottom: 4px solid #a7a7a7;
  }