.nav-item {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}
a.nav-item-active {
    color: red;
}


.nav-item:hover {
    /*border-bottom: 4px solid #9098a7;*/
    color: blue;
    /*transition: all 0.2s;*/
}

.active {
    color: red;
}
a.active {
    color: blue;
}