.app-header.bg-light .navbar-brand {
    opacity: 1;
}

.app-header.bg-light .navbar-brand img{
    margin-bottom: 25px;
}

.navbar-brand img{
    margin-left:-20px;
}

@media only screen and (max-width: 768px) {
    .navbar-brand img{
        margin-left:-38px !important;
    }
}