additional.css in CKEditor Bootstrap Tabs 7

.bootstrap-tab {
  padding: 8px;
  margin: 10px;
  background: #eee;
  border-radius: 8px;
  border: 1px solid #ddd;
  box-shadow: 0 1px 1px #fff inset, 0 -1px 0 #ccc inset;
}

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

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

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

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

.nav-tabs > li > a {
  margin-right: 2px;
  line-height: 1.42857143;
  border: 1px solid transparent;
  border-radius: 4px 4px 0 0;
  position: relative;
  display: block;
  padding: 10px 15px;
  color: #337ab7;
  text-decoration: none;
}

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

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

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

.tab-content {
  clear: both;
  width: 100%;
}

.tab-content > .tab-pane {
  display: block;
}

.tab-content > .active {
  display: block;
}

.tab-content table,
.tab-content table td {
  border: 1px solid #999;
}

.tab-content table th {
  border: 1px solid #999;
}