html {
	box-sizing: border-box;
	font-family: "Aeial Rounded MT Bold", sans-serif;
}

body {
	background: linear-gradient(0.25turn, #3f87a6, #ebf8e1, #f69d3c);
}

*, *:before, *:after {
	box-sizing: inherit;
}

nav {
	position: relative;
	perspective: 600px;
}

nav > ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	justify-content: center;
}

li {
	list-style-type: none;
}

.cool > li {
	position: relative;
	display: flex;
	justify-content: center;

}

.cool > li > a {
	color: #cf56de;
	text-decoration: none;
	font-size: 20px;
	background: rgba(0,0,0,0.2);
	margin: 10px 30px;
	padding: 10px;
}

.dropdown {
	opacity: 0;
	position: absolute;
	overflow: hidden;
	padding: 20px;
	top: -20px;
	border-radius: 4px;
	transition: all 0.5s;
	transform: translateY(95px);
	will-change: transform;
	display: none;
}

.trigger-enter .dropdown {
	display: block;
}

.trigger-enter-active .dropdown {
	opacity: 1;
}

.dropdownBackground {
	width: 100px;
	height: 100px;
	position: absolute;
	background: #ffffff;
	border-radius: 4px;
	box-shadow: 0 50px 100px rgba(50, 50, 93, .1), 0 15px 35px rgba(50, 50, 93, .15), 0 5px 15px rgba(0, 0, 0, .1);
	transition: all 0.3s, opacity 0.3s, translate 0.2s;
	transform-origin: 50% 0%;
	display: flex;
	justify-content: center;
	opacity: 0;
}

.dropdownBackground.open {
	opacity: 1;
}

.arrow {
	position: absolute;
	width: 20px;
	height: 20px;
	display: block;
	background: #ffffff;
	transform: translateY(-50%) rotate(45deg);
}

a.button {
	background: #000000;
	display: block;
	padding: 10px;
	color: #ffffff;
	margin-bottom: 10px;
}

.button[href*=twitter] {
	background: #019fe9;
}

.button[href*=facebook] {
	background: #3b5998;
}

.button[href*=courses] {
	background: #226100;
}

.bio {
	min-width: 500px;
	display: flex;
	justify-content: center;
	align-items: center;
}

.bio > img {
	float: left;
	margin-right: 20px;
}

.courses {
	min-width: 300px;
}

.courses > li {
	padding: 10px 0;
	display: block;
	border-bottom: 1px solid rgba(0,0,0,0.2);
}

.dropdown a {
	text-decoration: none;
	color: #ffc600;
}