html, body {
    width: 100%;
    height: 100%;
    margin: 0;
  }
  
  .bold {
    font-weight: bold;
  }
  
  #root {
    /*width: 100%;*/
    /*height: 100%;*/
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    padding: 0px 16px;
  }
  
  #sep {
    width: 16px;
  }
  
  #messages {
    width: 640px;
    height: 360px;
    overflow: auto;
  }