.tabs {
  width: 100%;
}
.tab-links {
  list-style: none;
  padding: 0;
}
.tab-links li {
  display: inline-block;
  margin-right: 5px;
}
.tab-links a {
  padding: 10px 15px;
  display: inline-block;
  background: #eee;
  text-decoration: none;
}
.tab-links .active a {
  background: #ccc;
}
.tab-content .tab {
  display: none;
  padding: 15px;
  border-top: 2px solid #ccc;
}
.tab-content .active {
  display: block;
}