/*** CSS3 VQS | Chapter 14 | dropmenu.css ***/


/* Drop Menu
-------------------------------------------------------------- */

nav.toc .menu .drop {
	overflow: hidden;
	height: 0;
	opacity: 0; }

nav.toc .menu:hover>.drop {
	height: auto;
	opacity: 1;
	-webkit-transition: opacity .25s linear;
	-moz-transition: opacity .25s linear;
	-o-transition: opacity .25s linear;
	transition: opacity .25s linear;  }