SO http://is.gd/xUQCTs

by panchroma

HTML

<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.0/css/bootstrap-combined.min.css">
<script src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.0/js/bootstrap.min.js"></script>
<div class="container">
  <div class="row">
    <div id="side-nav" class="span3">
      <ul class="nav nav-tabs nav-stacked affix nav-list">
        <li><a href="#one"><i class="icon-chevron-right"></i> One</a></li>
        <li><a href="#two"><i class="icon-chevron-right"></i> Two</a></li>
        <li><a href="#three"><i class="icon-chevron-right"></i> Three</a></li>
        <li><a href="#four"><i class="icon-chevron-right"></i> Four</a></li>
        <li><a href="#five"><i class="icon-chevron-right"></i> Five</a></li>
      </ul>
    </div>
    <div class="span9 content">
      <section id="one">
           Section 1
      </section>
      <section id="two">
          Section 2
      </section>
      <section id="three">
           Section 3
      </section>
      <section id="four">
         Section 4
      </section>
      <section id="five">
         Section 5
      </section>
    </div>
  </div>
</div>

CSS

.content section {
  background-color: pink;
  margin-bottom:20px;
    height:750px;
}

.nav-list {
width: 228px;
margin: 30px 0 0;
padding: 0;
background-color: #fff;
-webkit-border-radius: 6px;
-moz-border-radius: 6px;
border-radius: 6px;
-webkit-box-shadow: 0 1px 4px rgba(0,0,0,.065);
-moz-box-shadow: 0 1px 4px rgba(0,0,0,.065);
box-shadow: 0 1px 4px rgba(0,0,0,.065);
}

.nav-list .icon-chevron-right {
float: right;
margin-top: 2px;
margin-right: -6px;
opacity: .25;
}

.nav-list > .active .icon-chevron-right {
opacity: 1;  
}



.nav-list > .active > a, .nav-list > .active > a:hover, .nav-list > .active > a:focus {
color: #ffffff;
text-shadow: 0 -1px 0 
rgba(0, 0, 0, 0.2);
background-color: #0088cc;
}

@media (min-width: 1200px){
.nav-list {
width: 258px;
}
}

@media (max-width: 979px) and (min-width: 768px){
.nav-list {
width: 166px;
margin-top: 20px;
}
}

@media (max-width: 767px){
.nav-list.affix {
position: static;
width: auto;
top: 0;
margin-bottom:15px; 
margin-left:15px;
}

}