#my_custom_header, #my_custom_footer, .o_frontend_to_backend_nav{display: none;}
.h-100vh{height: 100vh;}
.oe_register_form{
    max-width: 80%;
    position: relative;
    margin: 50px auto;
}
@media (max-width: 992px) {
    .h-100vh-m{height: auto;}
}