The chat window is tall, stretching to its full height and remains stationary, not moving with the

I seem to be facing a CSS issue with the chat window not taking full height. It doesn't follow along when I scroll to the bottom of the screen. I'm stuck and unsure where to apply min-height: 100%; or if that's even the root cause of the problem. Can someone help me with this?

index.php

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <title>jQuery AJAX Chat Demo - Like on Facebook or Gmail</title>    
    <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
    <meta charset="utf-8">

<!-- Additional HTML code -->

</body>
</html>

My CSS :

body {
    margin:0px;
    padding:0px;
}
* {
    font-family:Arial, Helvetica, sans-serif;
    font-size:12px;
}
.chat_box {
    display:inline-block;
    border:1px solid #9c9c9c;
    width:250px;
    margin-left: 5px;
}

<!-- More CSS styles -->

#chat_area {
    float:right;
}

Answer №1

This is just the beginning, css % heights are only applied when the parent element also has a defined height.

Add this code snippet to your css and check if it helps you make progress

html, body, .main_content, #sidebar, .popup_box, .info_section { height:100%; } 

Answer №2

Why is it necessary for the chat area to be full height, even though you set its height to 750px?

Consider this modification:

html, body
{
   height:100%;
   overflow: hidden;
}

.message_content {
    border:1px solid #ddd;
    position: absolute;
    left:0;
    right:0;
    bottom:0;
    top:0;
    overflow-y:scroll;
}

Edit: I misinterpreted your question initially, but I'll keep this here:

If you're facing an issue with auto-scrolling to the bottom, you may need to use JavaScript. Check out this thread for more information: Scroll to bottom of div?

Answer №3

start by creating

html{height :100%;}

next up,

.message_content {
    border:1px solid #ddd;
    height:750px; // avoid using pixel values for height
    height:100%; // opt for this instead
    overflow-y:scroll;
}

finally, reset all tags' padding and margin

*{
 padding:0;
 margin:0;}

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