Bootstrap 3 Template

This is a simple Twitter Bootstrap 3 template. You can fork it to get a ready to use Bootstrap 3 fiddle.

HTML

<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<nav class="navbar navbar-default">
        <div class="container-fluid">
          <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
              <span class="sr-only">Toggle navigation</span>
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="#">Chat</a>
          </div>
          <div id="navbar" class="navbar-collapse collapse">
            <ul class="nav navbar-nav">
              <li class="active"><a href="#">Home</a></li>
              <li><a href="#">About</a></li>
              <li><a href="#">Contact</a></li>
            </ul>
          </div><!--/.nav-collapse -->
        </div><!--/.container-fluid -->
      </nav>

<div class="container">
 <div class="chat-box row">
   <div class="col-md-12 chat-item">
    Test Message 1
   </div>
   
   <div class="col-md-12 chat-item">
    Test Message 2
   </div>
   
   <div class="col-md-12 chat-item">
    Test Message 3
   </div> 
   
   <div class="col-md-12 chat-item">
    Test Message 4
   </div> 
 </div>
</div>

 <div class="chat-footer">
   <div class="container">
     <input class="form-control" type="text" placeholder="Message" />
   </div>
 </div>

CSS

body *, * {
  box-sizing: border-box !important;
}

.chat-item {
  background-color: #ffe1e1;
  margin-top: 10px;
  margin-bottom: 10px;
  border-radius: 30px;
  padding: 50px;
  width: 100%;
  overflow: hidden
}

.navbar {
  position: fixed;
  width: 100%;
}

.chat-footer{
  background-color: #dfeeff;
  padding: 10px;
  position: fixed;
  bottom: 0;
  width: 100%;
}

.chat-box {
  height: 100%;
  overflow: auto;
  overflow-x: hidden;
  padding: 60px 0;
}