Drupal - Primary and secondary tabs.

dabblet.css

/**
 * Drupal - Primary and secondary tabs.
 */

ul.tabs {
  border-bottom: solid 1px #ddd;
  display: block;
  margin: 0 0 20px 0;
  padding: 0;
}
.tabs li {
  display: block;
  float: left;
  height: 30px;
  margin-bottom: 0;
  padding: 0;
}

/* Primary tabs */
.primary li a {
  background: #f5f5f5;
  border: solid 1px #ddd;
  border-width: 1px 1px 0 0;
  display: block;
  height: 29px;
  line-height: 30px;
  margin: 0;
  padding: 0px 20px;
}
.primary li a.active {
  background: #fff;
  border-left-width: 1px;
  border-radius: 2px 2px 0 0;
  color: #111;
  height: 30px;
  margin: 0 0 0 -1px;
  padding-top: 4px;
  position: relative;
  top: -4px;
}
.primary li:first-child a.active {
  margin-left: 0;
}
.primary li:first-child a {
  border-width: 1px 1px 0 1px;
  border-radius: 2px 0 0 0;
}
.primary li:last-child a {
  border-radius: 0 2px 0 0;
}

/* Secondary tabs */
.secondary {
  font-size: 95%;
}
.secondary li {
  padding: 0 10px;
}

/* Clearfix */
ul.tabs:before,
ul.tabs:after {
  content: "\0020";
  display: block;
  height: 0;
  overflow: hidden;
  visibility: hidden;
  width: 0;	
}
ul.tabs:after {
  clear: both;
}
ul.tabs {
  zoom: 1;
}

body {
  font-family: sans-serif;
  padding: 2em;
}
a {
  text-decoration: none;
}

dabblet.html

<nav class="tabs" role="navigation">
  <ul class="tabs primary" aria-label="Primary tabs">
    <li><a href="#">First</a></li>
    <li><a href="#">Second</a></li>
    <li class="active"><a href="#" class="active" aria-label="(active tab)">Third</a></li>
    <li><a href="#">Fourth</a></li>
  </ul>
  <ul class="tabs secondary" aria-label="Secondary tabs">
    <li><a href="#">One</a></li>
    <li><a href="#">Two</a></li>
    <li><a href="#">Three</a></li>
    <li><a href="#">Four</a></li>
    <li><a href="#">Five</a></li>
  </ul>
</nav>

settings.json

{"view":"separate","prefixfree":"1","page":"result"}