.stuck #main-navbar {
	/*top:0;*/
}
.stuck #main-navbar:before {
    position: absolute;
    content: "";
    width: 100%;
    height: 30px;
    background-color: whitesmoke;
    top: -30px;
    z-index: 1;
}
.stuck .navbar-brand > img {
    margin-top: -9px;
}