*{
	background-color:black;
	margin:0;
	padding:0;
}

a{
	text-decoration: none;
	color:white;
}

ul{
		list-style:none;
		font-size: 25px;
		text-align: left;

}

li{
	padding-bottom: 5px;
}

h1{
	color:red;
}

h3{
	font-size:30px;
	font-weight: bold;
	color:red;
}

h4{
	color:red;
}

p{
	font-size: 30px;
}

.clr{
	clear:both;
}

.chapternum{
	font-size:30px
}

.each-section{
	padding-bottom: 5px;
}

.chapter-summary{
	padding-top:30px;
	font-size:50px;
}

.top-half{
	display:inline-block;
	padding-bottom:100px;
	color:white;
}

.youtube-videos{
	float:left;
	width:50%;
	border-top: 1px yellow solid;
	border-left:1px yellow solid;
	border-bottom: 1px yellow solid;
	box-sizing:border-box;
	flex: 1;
}

.chapter-notes{
	float:left;
	width:50%;
	border:1px yellow solid;
	box-sizing:border-box;
	flex: 1;

}

.bottom-half{
	color:orange;
	overflow:hidden;
	display: flex;
}

.footer{
	height:100px;
	font-size:30px;
	text-align: center;
}