Sticky footer with bootstrap 3

/* Sticky footer styles (SCSS)
-------------------------------------------------- */
$footer-height: 40px;
html {
  position: relative;
  min-height: 100%;
}
body {
  margin-bottom: $footer-height;
}
.footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding-top: 10px;
  height: $footer-height;
}
/* ----------------------------------------------- */


<!-- Sample HTML -->
<footer class="footer">
  <div class="container">
    <p class="pull-left">© 2017 Visualcosita</p>
    <p class="pull-right">Created by <%= link_to '@fdoxyz', 'https://twitter.com/fdoxyz' %></p>
  </div>
</div>