tabs.css in CKEditor Bootstrap Tabs 8

.nav {
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

.nav > li {
  position: relative;
  display: block;
}

.nav > li > a {
  position: relative;
  display: block;
  padding: 10px 15px;
}

.nav > li > a:hover,
.nav > li > a:focus {
  text-decoration: none;
  background-color: #eee;
}

.nav > li.disabled > a {
  color: #777;
}

.nav > li.disabled > a:hover,
.nav > li.disabled > a:focus {
  color: #777;
  text-decoration: none;
  cursor: not-allowed;
  background-color: transparent;
}

.nav .open > a,
.nav .open > a:hover,
.nav .open > a:focus {
  background-color: #eee;
  border-color: #337ab7;
}

.nav .nav-divider {
  height: 1px;
  margin: 9px 0;
  overflow: hidden;
  background-color: #e5e5e5;
}

.nav > li > a > img {
  max-width: none;
}

.nav-tabs {
  border-bottom: 1px solid #ddd;
}

.nav-tabs:after {
  content: ' ';
  display: table;
  clear: both;
}

.nav-tabs > li {
  float: left;
  position: relative;
  margin-bottom: -1px;
}

.nav-tabs > li > a {
  margin-right: 2px;
  line-height: 1.42857143;
  border: 1px solid transparent;
}

.nav-tabs > li > a:hover {
  border-color: #eee #eee #ddd;
}

.nav-tabs > li.active {
  background-color: #fff;
}

.nav-tabs > li.active > a,
.nav-tabs > li.active > a:hover,
.nav-tabs > li.active > a:focus {
  color: #555;
  cursor: default;
  background-color: #fff;
  border: 1px solid #ddd;
  border-bottom-color: transparent;
}

.tab-content {
  clear: both;
}

.tab-content > .tab-pane {
  display: none;
}

.tab-content > .active {
  display: block;
  border: 1px solid #ddd;
  border-top-width: 0;
}

.tab-content > .active > .tab-pane-content {
  min-height: 30px;
}