/*.nav-tabs .nav-item .nav-link  {*/
    /* Your existing styles */
    /* ... */
    /*transition: 0.3s ease;
}

    .nav-tabs .nav-item .nav-link.active,
    .nav-tabs .nav-item .nav-link:hover {*/
        /* Change border and background on hover */
        /*border-top: 2px solid yellow;
        border-bottom: 2px solid yellow;
        padding: 6px 0px;
        background: #11ADE8;
    }*/

.nav-tabs .nav-item .nav-link {
    /*transition: width 2s;
    transition-timing-function: cubic-bezier(0.1, 0.7, 1.0, 0.1);*/
    transition: all .3s cubic-bezier(0.79, 0.33, 0.14, 0.53);
    /*background: #3fa46a;*/
    /*color: white;*/
    /*font-size: 20px;*/
    text-decoration: none;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    /*padding: 5px 0;*/
    /*margin: 0 5px;*/
    font-size: 17px;
}

    .nav-tabs .nav-item .nav-link:hover {
        /*border-top: 4px solid white;*/
        border-bottom: 2px solid yellow;
        padding: 6px 0;
    }