Change menu breakpoint

Add this to style css to change the when the website switches between the horizontal menu and the "Menu" button. The default value is 992px

CSS

.inline-menu {
    @media only screen and (max-width: 1440px) {
        display: none;
    }    
}
.open-menu-btn {
    @media only screen and (max-width: 1440px) {
        display: block;
    }    
}