[Theme Horse Support Team]

Hi bkchua,

To make sub items in menu collapsed by default when viewing in mobile Go to Appearance -> Theme Options -> Design Options Tab -> Custom CSS paste the following CSS code and Click on save all changes button:

@media only screen and (max-width: 767px) {
	#access ul li ul,
	#access ul li:hover ul ul,
	#access ul ul li:hover ul ul,
	#access ul ul ul li:hover ul ul,
	#access ul ul ul ul li:hover ul ul {
		display: none;
        }
}

Thank you!