@media screen and (min-width: 992px){
    .nav-list li a b { padding: 0 5px;}
}

@media screen and (min-width: 992px){
    .nav-list li a b { padding: 0 35px;}
}
@media screen and (min-width: 1340px){
    .nav-list li a b { padding: 0 48px;}
}