.overlay .mask1 {
    opacity: 1 !important;
    right: 40% !important;
    top: 40%;
    transition: all .4s ease-in-out;
    background: none;
}
.navbar-bg-black-posi-sl {
    margin-top: 72px !important;
}
.btn-group .dropdown-toggle:active, .btn-group.open .dropdown-toggle {
    outline: 0;
    float: right;
}

@media screen and (max-width:768px)
{
    header
    {
        direction: initial !important;
    }
    .top-update
    {
       direction: rtl !important;
    }
    .navbar-brand
    {
        float: right !important;
    }
    .mr-auto, .mx-auto 
    {
        margin-right: auto !important;
        margin-top: 54px;
    }
    .navbar-bg-black-posi-sl 
    {
        margin-top: 60px !important;
    }

}