title: Use justify-content: flex-end and to have vertical scrollbar
body: <p>I have chat and I need to scroll all content to bottom.
  I want to use justify-content: flex-end and to have vertical scrollbar.</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-css lang-css prettyprint-override"><code>.session-textchat {
    height: 320px;
    background: #fff;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: flex-end;
    align-items: flex-end;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    -webkit-flex-direction: column;
    flex-direction: column;
  }
  .session-textchat .past-messages {
    width: 100%;
    max-width: 980px;
    margin: 0 auto;
    height: 83.92%;
    overflow-y: auto;
    padding: 30px 0 0;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: flex-end;
    align-items: flex-end;
    -webkit-justify-content: flex-end;
    justify-content: flex-end;
    -webkit-flex-direction: column;
    flex-direction: column;
  }
  .session-textchat .past-messages .receiver,
  .session-textchat .past-messages .sender {
    width: 100%;
    min-height: 47px;
    margin: 0 0 20px;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: row;
    flex-direction: row;
  }
  .session-textchat .past-messages .receiver .message,
  .session-textchat .past-messages .sender .message {
    position: relative;
    padding: 17px;
    -moz-border-radius: 4px;
    -webkit-border-radius: 4px;
    border-radius: 4px;
  }
  .session-textchat .past-messages .receiver {
    text-align: left;
    -webkit-justify-content: flex-start;
    justify-content: flex-start;
  }
  .session-textchat .past-messages .receiver .message {
    background: #f4f4f4;
    color: #535353;
  }
  .session-textchat .past-messages .sender {
    text-align: right;
    -webkit-justify-content: flex-end;
    justify-content: flex-end;
  }
  .session-textchat .past-messages .sender .message {
    background: url('../img/rgbapng/0050ff26.png');
    background: rgba(0, 80, 255, 0.15);
    color: #0050ff;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div class="session-textchat"&gt;
    &lt;div class="past-messages"&gt;
      &lt;div class="receiver"&gt;
        &lt;span class="message"&gt;
              Good afternoon David. Welcome to your appointment! How are you today?
            &lt;/span&gt;
      &lt;/div&gt;
      &lt;div class="sender"&gt;
        &lt;span class="message"&gt;
              Hello doctor. I feel terrible to be honest.
            &lt;/span&gt;
      &lt;/div&gt;
      &lt;div class="receiver"&gt;
        &lt;span class="message"&gt;
              I can see from your notes that you've been having some ear ache - can you tell me a bit more about your symptoms?
            &lt;/span&gt;
      &lt;/div&gt;
      &lt;div class="sender"&gt;
        &lt;span class="message"&gt;
              Hello doctor. I feel terrible to be honest.
            &lt;/span&gt;
      &lt;/div&gt;
      &lt;div class="receiver"&gt;
        &lt;span class="message"&gt;
              I can see from your notes that you've been having some ear ache - can you tell me a bit more about your symptoms?
            &lt;/span&gt;
      &lt;/div&gt;
    &lt;/div&gt;
  &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p>Example is <a href="https://jsfiddle.net/egzdhmgr/" rel="noreferrer">here</a>.</p>
  
  <p>Is it possible?
  Or please give me better solution.</p>
  
  <p>Thanks in advance!
  <br/>
  Srdjan</p>