People need help.

Below is a link to jsfiddle, there is a site code.

The problem is this: in the middle there is a block with messages. They are already aligned to the bottom of the parent unit, but the scrollbar does not work. Maybe I was wrong somewhere before.

Tell me who knows how to make the messages at the bottom of the central unit (as it is), but for the scrollbar to work if the browser is narrowed down vertically.

https://jsfiddle.net/xmnz3z5c/

<div class="send-messages"> <div class="message-windows"> <div class="div-bottom-messages"> <span class="incoming-messages-1"> <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin sed metus felis. Mauris consequat aliquet sollicitudin.</p> <a href="#" title="erat-pellentesque-dignissim.pdf"><span class="mini-icon"> </span><span class="added-files">erat-pellentesque-dignissim.pdf</span></a> </span> <span class="incoming-messages"> <div class="author-date-data"> <span class="author">Victor Briggs</span> <span class="chat-date">08/08/14 06:15 PM</span> </div> <p>Suspendisse potenti. Nulla facilisi. Vestibulum libero ligula, vestibulum vel velit sit amet, imperdiet laoreet quam. Fusce blandit, metus quis gravida scelerisque, ante ligula bibendum risus, vitae malesuada dolor quam et diam.</p> </span> <span class="delivered-messages"> <div class="author-date-data"> <span class="author">Me</span> <span class="chat-date">08/08/14 06:15 PM</span> </div> <p>Duis porttitor, massa eget varius faucibus, nunc libero pulvinar justo, at adipiscing purus arcu eu lectus. Cras neque tortor, varius quis ullamcorper sit amet, congue id erat. Duis tincidunt orci sed fringilla bibendum. Nullam vel consectetur odio, ac posuere erat.</p> </span> </div><!--div-bottom-messages--> </div><!--message-windows--> </div><!--end send-messages--> 

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