Floating Chat Box UI in HTML CSS

Floating Chat Box UI in HTML CSS
Code Snippet:Chat UI
Author: Shiva Pandey
Published: March 3, 2024
Last Updated: March 4, 2024
Downloads: 2,472
License: MIT
Edit Code online: View on CodePen
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This HTML and CSS code snippet helps you to create a chat box UI with toggle functionality. Users can send messages, and the chat logs automatically scroll to the bottom for easy tracking. The UI includes a ChatBot with a close option. Helpful for implementing a user-friendly chat feature on websites.

How to Create Floating Chat Box UI in HTML CSS

1. First of all, load the Bootstrap and Material Icons CSS by adding the following CDN links into the head tag of your HTML document.

<link rel='stylesheet' href='https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-alpha.6/css/bootstrap.min.css'>
<link rel='stylesheet' href='https://cdnjs.cloudflare.com/ajax/libs/bootstrap-material-design/4.0.2/bootstrap-material-design.css'>
<link rel='stylesheet' href='https://fonts.googleapis.com/icon?family=Material+Icons'>

2. After that, create the HTML structure. Copy and paste the provided HTML code into your HTML file. This code defines the chat box layout, including the chat circle button and the chat logs.

<div id="center-text">
    <h2>ChatBox UI</h2>
    <p>Message send and scroll to bottom enabled </p>
  </div> 
<div id="body"> 
  
<div id="chat-circle" class="btn btn-raised">
        <div id="chat-overlay"></div>
		    <i class="material-icons">speaker_phone</i>
	</div>
  
  <div class="chat-box">
    <div class="chat-box-header">
      ChatBot
      <span class="chat-box-toggle"><i class="material-icons">close</i></span>
    </div>
    <div class="chat-box-body">
      <div class="chat-box-overlay">   
      </div>
      <div class="chat-logs">
       
      </div><!--chat-log -->
    </div>
    <div class="chat-input">      
      <form>
        <input type="text" id="chat-input" placeholder="Send a message..."/>
      <button type="submit" class="chat-submit" id="chat-submit"><i class="material-icons">send</i></button>
      </form>      
    </div>
  </div>
</div>

3. Copy and paste the CSS code into your stylesheet or within a <style> tag in your HTML file. This CSS code styles the chat box, giving it a visually appealing and responsive design. Feel free to customize the colors, dimensions, or any other styles according to your preferences.

html, body {
  background: #efefef;      
  height:100%;  
}
#center-text {          
  display: flex;
  flex: 1;
  flex-direction:column; 
  justify-content: center;
  align-items: center;  
  height:100%;
  
}
#chat-circle {
  position: fixed;
  bottom: 50px;
  right: 50px;
  background: #5A5EB9;
  width: 80px;
  height: 80px;  
  border-radius: 50%;
  color: white;
  padding: 28px;
  cursor: pointer;
  box-shadow: 0px 3px 16px 0px rgba(0, 0, 0, 0.6), 0 3px 1px -2px rgba(0, 0, 0, 0.2), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
}

.btn#my-btn {
     background: white;
    padding-top: 13px;
    padding-bottom: 12px;
    border-radius: 45px;
    padding-right: 40px;
    padding-left: 40px;
    color: #5865C3;
}
#chat-overlay {
    background: rgba(255,255,255,0.1);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: none;
}


.chat-box {
  display:none;
  background: #efefef;
  position:fixed;
  right:30px;
  bottom:50px;  
  width:350px;
  max-width: 85vw;
  max-height:100vh;
  border-radius:5px;  
/*   box-shadow: 0px 5px 35px 9px #464a92; */
  box-shadow: 0px 5px 35px 9px #ccc;
}
.chat-box-toggle {
  float:right;
  margin-right:15px;
  cursor:pointer;
}
.chat-box-header {
  background: #5A5EB9;
  height:70px;
  border-top-left-radius:5px;
  border-top-right-radius:5px; 
  color:white;
  text-align:center;
  font-size:20px;
  padding-top:17px;
}
.chat-box-body {
  position: relative;  
  height:370px;  
  height:auto;
  border:1px solid #ccc;  
  overflow: hidden;
}
.chat-box-body:after {
  content: "";
  background-image: url('data:image/svg+xml;base64,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');
  opacity: 0.1;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  height:100%;
  position: absolute;
  z-index: -1;   
}
#chat-input {
  background: #f4f7f9;
  width:100%; 
  position:relative;
  height:47px;  
  padding-top:10px;
  padding-right:50px;
  padding-bottom:10px;
  padding-left:15px;
  border:none;
  resize:none;
  outline:none;
  border:1px solid #ccc;
  color:#888;
  border-top:none;
  border-bottom-right-radius:5px;
  border-bottom-left-radius:5px;
  overflow:hidden;  
}
.chat-input > form {
    margin-bottom: 0;
}
#chat-input::-webkit-input-placeholder { /* Chrome/Opera/Safari */
  color: #ccc;
}
#chat-input::-moz-placeholder { /* Firefox 19+ */
  color: #ccc;
}
#chat-input:-ms-input-placeholder { /* IE 10+ */
  color: #ccc;
}
#chat-input:-moz-placeholder { /* Firefox 18- */
  color: #ccc;
}
.chat-submit {  
  position:absolute;
  bottom:3px;
  right:10px;
  background: transparent;
  box-shadow:none;
  border:none;
  border-radius:50%;
  color:#5A5EB9;
  width:35px;
  height:35px;  
}
.chat-logs {
  padding:15px; 
  height:370px;
  overflow-y:scroll;
}

.chat-logs::-webkit-scrollbar-track
{
	-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
	background-color: #F5F5F5;
}

.chat-logs::-webkit-scrollbar
{
	width: 5px;  
	background-color: #F5F5F5;
}

.chat-logs::-webkit-scrollbar-thumb
{
	background-color: #5A5EB9;
}



@media only screen and (max-width: 500px) {
   .chat-logs {
        height:40vh;
    }
}

.chat-msg.user > .msg-avatar img {
  width:45px;
  height:45px;
  border-radius:50%;
  float:left;
  width:15%;
}
.chat-msg.self > .msg-avatar img {
  width:45px;
  height:45px;
  border-radius:50%;
  float:right;
  width:15%;
}
.cm-msg-text {
  background:white;
  padding:10px 15px 10px 15px;  
  color:#666;
  max-width:75%;
  float:left;
  margin-left:10px; 
  position:relative;
  margin-bottom:20px;
  border-radius:30px;
}
.chat-msg {
  clear:both;    
}
.chat-msg.self > .cm-msg-text {  
  float:right;
  margin-right:10px;
  background: #5A5EB9;
  color:white;
}
.cm-msg-button>ul>li {
  list-style:none;
  float:left;
  width:50%;
}
.cm-msg-button {
    clear: both;
    margin-bottom: 70px;
}

4. Now, load the jQuery and Bootstrap JS by adding the following CDN links just before closing the body element:

<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-alpha.6/js/bootstrap.min.js'></script>

5. Finally, include the following JavaScript code in your HTML file or an external script. This code adds interactivity to the chat box. Users can submit messages, and the chat logs automatically scroll to show the latest messages. The code also includes a ChatBot feature with buttons for different user actions.

$(function() {
  var INDEX = 0; 
  $("#chat-submit").click(function(e) {
    e.preventDefault();
    var msg = $("#chat-input").val(); 
    if(msg.trim() == ''){
      return false;
    }
    generate_message(msg, 'self');
    var buttons = [
        {
          name: 'Existing User',
          value: 'existing'
        },
        {
          name: 'New User',
          value: 'new'
        }
      ];
    setTimeout(function() {      
      generate_message(msg, 'user');  
    }, 1000)
    
  })
  
  function generate_message(msg, type) {
    INDEX++;
    var str="";
    str += "<div id='cm-msg-"+INDEX+"' class=\"chat-msg "+type+"\">";
    str += "          <span class=\"msg-avatar\">";
    str += "            <img src=\"https:\/\/image.crisp.im\/avatar\/operator\/196af8cc-f6ad-4ef7-afd1-c45d5231387c\/240\/?1483361727745\">";
    str += "          <\/span>";
    str += "          <div class=\"cm-msg-text\">";
    str += msg;
    str += "          <\/div>";
    str += "        <\/div>";
    $(".chat-logs").append(str);
    $("#cm-msg-"+INDEX).hide().fadeIn(300);
    if(type == 'self'){
     $("#chat-input").val(''); 
    }    
    $(".chat-logs").stop().animate({ scrollTop: $(".chat-logs")[0].scrollHeight}, 1000);    
  }  
  
  function generate_button_message(msg, buttons){    
    /* Buttons should be object array 
      [
        {
          name: 'Existing User',
          value: 'existing'
        },
        {
          name: 'New User',
          value: 'new'
        }
      ]
    */
    INDEX++;
    var btn_obj = buttons.map(function(button) {
       return  "              <li class=\"button\"><a href=\"javascript:;\" class=\"btn btn-primary chat-btn\" chat-value=\""+button.value+"\">"+button.name+"<\/a><\/li>";
    }).join('');
    var str="";
    str += "<div id='cm-msg-"+INDEX+"' class=\"chat-msg user\">";
    str += "          <span class=\"msg-avatar\">";
    str += "            <img src=\"https:\/\/image.crisp.im\/avatar\/operator\/196af8cc-f6ad-4ef7-afd1-c45d5231387c\/240\/?1483361727745\">";
    str += "          <\/span>";
    str += "          <div class=\"cm-msg-text\">";
    str += msg;
    str += "          <\/div>";
    str += "          <div class=\"cm-msg-button\">";
    str += "            <ul>";   
    str += btn_obj;
    str += "            <\/ul>";
    str += "          <\/div>";
    str += "        <\/div>";
    $(".chat-logs").append(str);
    $("#cm-msg-"+INDEX).hide().fadeIn(300);   
    $(".chat-logs").stop().animate({ scrollTop: $(".chat-logs")[0].scrollHeight}, 1000);
    $("#chat-input").attr("disabled", true);
  }
  
  $(document).delegate(".chat-btn", "click", function() {
    var value = $(this).attr("chat-value");
    var name = $(this).html();
    $("#chat-input").attr("disabled", false);
    generate_message(name, 'self');
  })
  
  $("#chat-circle").click(function() {    
    $("#chat-circle").toggle('scale');
    $(".chat-box").toggle('scale');
  })
  
  $(".chat-box-toggle").click(function() {
    $("#chat-circle").toggle('scale');
    $(".chat-box").toggle('scale');
  })
  
})

That’s all! hopefully, you have successfully created Floating Chat Box UI in HTML CSS. If you have any questions or suggestions, feel free to comment below.

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