html {
	box-sizing: border-box;
	font-family: "Arial Rounded MT Bold", "Helvetica Rounded", Arial, sans-serif;
}

*, *:before, *:after {
	box-sizing: inherit;
}
  
body {
	margin: 0;
	min-height: 100vh;
	background:
		linear-gradient(45deg, hsla(340, 100%, 55%, 1) 0%, hsla(340, 100%, 55%, 0) 70%),
		linear-gradient(135deg, hsla(225, 95%, 50%, 1) 10%, hsla(225, 95%, 50%, 0) 80%),
		linear-gradient(225deg, hsla(140, 90%, 50%, 1) 10%, hsla(140, 90%, 50%, 0) 80%),
		linear-gradient(315deg, hsla(35, 95%, 55%, 1) 100%, hsla(35, 95%, 55%, 0) 70%);
}

h2 {
	margin-top: 0;
	padding-top: .8em;
}

nav {
	position: relative;
	perspective: 600px;
}

.cool > li > a {
	color: yellow;
	text-decoration: none;
	font-size: 20px;
	background: rgba(0,0,0,0.2);
	padding: 10px 20px;
	display: inline-block;
	margin: 20px;
	border-radius: 5px;
}

nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	justify-content: center;
}

.cool > li {
	position: relative;
	display: flex;
	justify-content: center;
}

.dropdown {
	opacity: 0;
	position: absolute;
	overflow: hidden;
	padding: 20px;
	top: -20px;
	border-radius: 2px;
	transition: all 0.5s;
	transform: translateY(100px);
	will-change: opacity;
	display: none;
}

.trigger-enter .dropdown {
	display: block;
}

.trigger-enter-active .dropdown {
	opacity: 1;
}
  
.dropdownBackground {
	width: 100px;
	height: 100px;
	position: absolute;
	background: #fff;
	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 0.1s, transform 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: white;
	transform: translateY(-50%) rotate(45deg);
}

.bio {
	min-width: 500px;
	display: flex;
	justify-content: center;
	align-items: center;
	line-height: 1.7;
}

.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;
}

a.button {
	background: black;
	display: block;
	padding: 10px;
	color: white;
	margin-bottom: 10px;
}

/* Matches Twitter, TWITTER, twitter, tWitter, TWiTTeR... */
.button[href*=twitter] { background: #019FE9; }
.button[href*=facebook] { background: #3B5998; }
.button[href*=courses] { background: #ffc600; }