Disabling Responsiveness is very easy in the Diamond theme. Simply go to Appearance > Customize > Layout > General and uncheck the Responsiveness option.
Make sure you also disable responsiveness for Visual Composer elements under the Visual Composer settings.
Diamond by default includes 3 different mobile menu styles to choose from. Below are the instructions for selecting your mobile menu style.
Selecting Your Mobile Menu Style
To select your mobile menu style simply log into your WordPress dashboard then go to Appearance > Customize > Header > Mobile Menu. Here you will be able to select your preferred style from a dropdown.
By default the Diamond theme adds a searchform to the sidebar and toggle mobile menu styles so your mobile visitors can easily search your site. However, if you don’t want it or don’t like it you can disable it via the settings at Appearance > Customize > Header > Mobile Menu.
Diamond includes many useful classes for responsiveness so you can show/hide items. Core Diamond VC modules and the VC rows have settings built-in already to show/hide items but some modules may not have the built-in settings if they are core VC modules or 3rd party modules. However you can still use the Diamond theme classes to show/hide them via the “Extra class name” field. Below is a list of all available classes and example usage: