.nav-below{
    margin:0;
    font-size:20px;
    font-weight:300;
    font-style:italic;
    .nav-previous{
        float: left;
    }
    .nav-next{
        float: right;
    }
}

@media (max-width: 767px){
    .nav-below{
        margin-bottom: 70px;
    }
}