www.gusucode.com > wordpress PHP博客系统英文版 v4.5.1PHP源码程序 > wordpress PHP博客系统英文版 v4.5.1/wordpress/wordpress/wp-includes/css/customize-preview.css

    .customize-partial-refreshing {
	opacity: 0.25;
	-webkit-transition: opacity 0.25s;
	transition: opacity 0.25s;
	cursor: progress;
}

/* Override highlight when refreshing */
.customize-partial-refreshing.widget-customizer-highlighted-widget {
	-webkit-box-shadow: none;
	box-shadow: none;
}