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">
<div class="container">
  <div class="row top-row">
    <p>Top Row with a fixed heigh - 300px</p>
  </div>

  <div class="row bottom-row">
    <div class="col-xs-4">
      <p>Col 1</p>
      <p>
        Should fill viewport/avaialable screen height
      </p>
    </div>

    <div class="col-xs-4">
      <p>Col 2</p>
      <p>
        Should fill viewport/avaialable screen height
      </p>
    </div>

    <div class="col-xs-4">
      <p>Col 3</p>
      <p>
        Should fill viewport/avaialable screen height
      </p>
    </div>
  </div>
</div>

CSS

body {
  margin: 0;
}
.container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.top-row {
  flex: 0 0 300px;
  background-color: black;
  color: white;
  margin-bottom: 15px;
}
.bottom-row {
  flex: 1;
  background-color: red;
  color: white;
}

JavaScript

/* Latest compiled and minified JavaScript included as External Resource */