@media (min-width: 767px) {
    .caret-right {
        width: 0; 
        height: 0; 
        border-top: 4px solid rgba(0, 0, 0, 0);
        border-bottom: 4px solid rgba(0, 0, 0, 0);
        border-left: 4px solid #fff;
    }

    li.open{
    background-color:#1a1a1a;
}
}

@media (max-width:465px ){
    a.navbar-brand img { height:70px; margin-top:25px;} 
}


@media (max-width:350px ){
    a.navbar-brand img { height:50px; margin-top:25px;} 
}