WordPress/wp-includes/css/customize-preview.css

.customize-partial-refreshing {
	opacity: 0.25;
	-webkit-transition: opacity 0.25s;
	transition: opacity 0.25s;
	cursor: progress;
}
Add menu management to the Customizer. This brings in the Menu Customizer plugin: https://wordpress.org/plugins/menu-customizer/. props celloexpressions, westonruter, valendesigns, voldemortensen, ocean90, adamsilverstein, kucrut, jorbin, designsimply, afercia, davidakennedy, obenland. see #32576. Built from https://develop.svn.wordpress.org/trunk@32806 git-svn-id: http://core.svn.wordpress.org/trunk@32777 1a063a9b-81f0-0310-95a4-ce76da25c4cd 2015-06-17 00:08:26 +02:00			`.customize-partial-refreshing {`
			`opacity: 0.25;`
			`-webkit-transition: opacity 0.25s;`
			`transition: opacity 0.25s;`
			`cursor: progress;`
			`}`