nav {
    display: block;
}

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

.tab-content > .active {
    display: block;
}
.nav {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
}

.nav-link {
    display: block;
    padding: 0.5rem 1rem;
}

.nav-link:hover, .nav-link:focus {
    text-decoration: none;
}

.nav-link.disabled {
    color: #6c757d;
}

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

.nav-tabs .nav-item {
    margin-bottom: -1px;
}

.nav-tabs .nav-link {
    border: 1px solid transparent;
    border-top-left-radius: 0.25rem;
    border-top-right-radius: 0.25rem;
}

.nav-tabs .nav-link:hover, .nav-tabs .nav-link:focus {
    border-color: #e9ecef #e9ecef #dee2e6;
}

.nav-tabs .nav-link.disabled {
    color: #6c757d;
    background-color: transparent;
    border-color: transparent;
}

.nav-tabs .nav-link.active,
.nav-tabs .nav-item.show .nav-link {
    color: #495057;
    background-color: #fff;
    border-color: #dee2e6 #dee2e6 #fff;
}

.nav-tabs .dropdown-menu {
    margin-top: -1px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}