General CSS guides: http://iwinter.com.hr/support/?p=2039

Example to change logo sizes in classified script

File: templates\boomerang\assets\css\custom.css

And add css to bottom. i provide example, please replace “46px” to your size:

/* descktop */
header .navbar-wp .navbar-brand img {
height: 46px;
}

/* tablet */
@media (max-width: 991px) {
header .navbar-wp .navbar-brand img {
height: 46px;
}
}

/* mobile */
@media (max-width: 767px) {
header .navbar-wp .navbar-brand img {
height: 46px;
}
}