li#menu-item-benvenuto.menu-item-450{
    color: white;
    font-weight: normal;
}

@media screen and (min-width: 981px) {
    li.menu-item-452{
        margin-left: 5px;
    }
}

@media screen and (max-width: 980px) {
    li#menu-item-benvenuto{
        background-color: #113C64;
    }
    li#menu-item-benvenuto span.menu_accedi{
        border-bottom: 1px solid rgba(0,0,0,.03);
        padding: 10px 5%;
        display: block;
    }
}