.nav {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none
}

.nav-pills .nav-link {
    border-radius: .25rem
}

    .nav-pills .nav-link.active, .nav-pills .show > .nav-link {
        color: #fff;
        background-color: #007bff
    }

 .nav-item {
    -ms-flex: 1 1 auto;
    flex: 1 1 auto;
    text-align: center
}

.nav-justified .nav-item {
    -ms-flex-preferred-size: 0;
    flex-basis: 0;
    -ms-flex-positive: 1;
    flex-grow: 1;
    text-align: center
}