chat.md
In shinyChatR: R Shiny Chat Module

Chat UI is correct

Code
  chat_ui("test")
Output
  <div width="100%">
    <style type="text/css">/* Chat Container */
  .chatContainer {
    margin: 0 auto;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-shadow: 2px 2px 10px #ccc;
  }

  .chatInnerContainer {
    width: 100%;
    margin: auto;
    padding: 0px 15px 0 10px;
  }

  /* Chat Messages */
  .chatMessages {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column-reverse;
    padding: 5px 5px;
    border-radius: 5px;
    margin-bottom: 5px;
  }


  /* Chat Message */
  .chatMessage {
    float: left;
    width: auto;
    margin-bottom: 5px;
    padding: 2px 10px 2px 5px;
    border-radius: 5px;
    background-color: #eee;
    clear: both;
    box-shadow: 1px 1px 5px #ccc;
  }

   .chatMessage.me {
    float: right;
    margin-left: auto;
    background-color: #2196f3;
    color: #fff;
  }

  /* Chat Form */
  .chatForm {
    display: flex;
    margin-top: 10px;
  }

  /* Chat Input */
  .chatForm input {
    flex-grow: 1;
    padding: 5px;
    border-radius: 5px;
    border: 1px solid #ccc;
    margin-right: 5px;
  }

  /* Chat Button */
  .chatForm button {
    background-color: #007bff;
    padding: 10px 10px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
  }

  .chatUser {
      font-weight: 600;
      padding: 0 8px 0 5px;
  }

  .chatUser {
      font-weight: 600;
      padding: 0 8px 0 5px;
  }

  .chatTime.first {
      text-align: center;
      background-color: aliceblue;
      margin: 20px 0px;
      padding: 4px;
  }

  .chatTime.not-first {
      display: none;
  }</style>
    <script>
    $(document).on("keyup", function(e) {
    if(e.keyCode == 13){
      document.getElementById("test-chatFromSend").click();
    }
    });</script>
    <div class="chatContainer">
      <div class="chatTitle"></div>
      <div class="chatMessages" style="height:300px">
        <div id="test-chatbox" class="shiny-html-output"></div>
      </div>
      <form class="chatForm">
        <input type="text" id="test-chatInput" placeholder="Enter message"/>
        <button class="btn btn-default action-button" id="test-chatFromSend" style="width:70px; background-color: #007bc2;&#10;                                        color: #fff; height:32px;padding:0px;" type="button">
          <i class="far fa-paper-plane" role="presentation" aria-label="paper-plane icon"></i>
        </button>
      </form>
    </div>
  </div>