nav {
	background-color: #fff;
	border: 1px solid #dedede;
	border-radius: 4px;
	box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.055);
	color: #888;
	display: block;
	margin: 8px 22px 8px 22px;
	overflow: hidden;
	width: 90%; 
}

nav ul {
	margin: 0;
	padding: 0;
}

nav ul li {
	display: inline-block;
    list-style-type: none;
    -webkit-transition: all 0.2s;
    -moz-transition: all 0.2s;
    -ms-transition: all 0.2s;
    -o-transition: all 0.2s;
    transition: all 0.2s; 
}
      
nav > ul > li > a > .caret {
	border-top: 4px solid #aaa;
	border-right: 4px solid transparent;
    border-left: 4px solid transparent;
    content: "";
    display: inline-block;
    height: 0;
    width: 0;
    vertical-align: middle;
	-webkit-transition: color 0.1s linear;
	-moz-transition: color 0.1s linear;
	-o-transition: color 0.1s linear;
	transition: color 0.1s linear; 
}

nav > ul > li > a {
    color: #aaa;
    display: block;
    line-height: 56px;
    padding: 0 24px;
    text-decoration: none;
}

nav > ul > li:hover {
	background-color: rgb( 40, 44, 47 );
}

nav > ul > li:hover > a {
	color: rgb( 255, 255, 255 );
}

nav > ul > li:hover > a > .caret {
	border-top-color: rgb( 255, 255, 255 );
}
      
nav > ul > li > div {
	background-color: rgb( 40, 44, 47 );
	border-top: 0;
	border-radius: 0 0 4px 4px;
	box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.055);
	display: none;
	margin: 0;
	opacity: 0;
	position: absolute;
	width: 165px;
	visibility: hidden;
	z-index: 100;
	-webkit-transiton: opacity 0.2s;
	-moz-transition: opacity 0.2s;
	-ms-transition: opacity 0.2s;
	-o-transition: opacity 0.2s;
	-transition: opacity 0.2s;
}

nav > ul > li:hover > div {
	display: block;
	opacity: 1;
	visibility: visible;
}

nav > ul > li > div ul > li {
	display: block;
}

nav > ul > li > div ul > li > a {
	text-align: left;
	color: #fff;
	display: block;
	padding: 12px 24px;
	text-decoration: none;
}

nav > ul > li > div ul > li:hover > a {
background-color: rgba( 1, 136, 238, .7);
}