.parts204-209_header1 li.nav-item a.mailbutton:hover svg{
    color: #7b7b7b!important;
}
@media screen and (max-width: 520px){
    .parts204-209_header1 nav.navbar .btn-group{
       display: block!important;
       top: 3px!important;
    }
    .parts204-209_header1 .btn-group button.navbar-btn:first-child{
            margin-bottom: 7px!important;
    }
    .parts204-209_header1 .navbar-toggler.active .icon-close{
        margin-left: 5px!important;
    }
}