.nav-tabs {
  border-bottom: 1px solid #dee2e6;
}

.nav-tabs .nav-item a.is-active {
  background-color: #fff;
  border-color: #bf862b #dee2e6 #fff;
  border-top-width: 2px;
}

.nav-tabs .nav-item a {
  border: 1px solid transparent;
  color:  #000;
  display: block;
  padding: 10px 15px;
  width: auto;
  float: left;
}

.nav-tabs .nav-item a:focus, .nav-tabs .nav-item a:hover {
  border-color: #bf862b #dee2e6 #fff;
  text-decoration: none;
}