Problem with view of menu

Not so long ago, I've bought your developer version of Janela.
I have a problem with menu on my site. When the resolution of screen is more or equal 1920 * 1080 everything is all right. But if resolution less, my meny has destroyed.
Visit site - smarthouse-sakh.com.
In detail - I want, that menu not disintegrating in
individual menu items, if resolution of 'tablet device'. If I should to correct css file? - http://smarthouse-sakh.com/wp-content/themes/janela/css/tablet.css

Hi!
Your changes caused these problems. Please, visit the following topic - https://smthemes.com/support/topic/howtodisablemobileandtabletmodes/ to fix the problem.