Je n'arrive pas à centrer horizontalement

nav{
    padding: 0% 0%;
    justify-content: space-between ;
    align-content: center;
}

.nav-links{
    display: inline;
    text-align: center;
}
.nav-links ul li{
    list-style: none;
    display: inline-block;
    padding: 8px 12 px;
    position: relative;    
}
.nav-links ul li a{
    color: #fff;
    text-decoration: none;
    font-size: 25px;
    padding: 0 10px
}