[Theme Horse Support Team]

Hi Heidi,

To make site logo and main navigation to be centered and main menu to be below the logo go to Appearance -> Customize -> Ambition Theme Options -> Custom CSS and paste the below CSS code then click on Save button.

@media only screen and (min-width: 768px) {
	.hgroup-wrap {
		text-align: center;
	}
	#site-logo {
		float: none;
		margin: 0 auto;
		padding: 19px 0 0;
	}
	#site-title {
		float: none;
		margin-right: 0;
	}
	.hgroup-right {
		float: none;
		min-width: inherit;
		padding-right: 0;
	}
	.main-navigation {
		float: none;
	}
	.main-navigation li {
		display: inline-block;
		float: none;
	}
	.main-navigation ul li ul li {
		display: block;
		text-align: left;
	}
}

Thank you!