styles.css

html,
body {
	min-width: 290px;
	color: #4d4e53;
	background-color: #ffffff;
	font-family: "Open Sans", Arial, sans-serif;
	line-height: 1.5;
}

#navbar {
	position: fixed;
	min-width: 290px;
	top: 0px;
	left: 0px;
	width: 300px;
	height: 100%;
	border-right: solid;
	border-color: rgba(0, 22, 22, 0.4);
}

#navbar header {
	font-size: 1.5em;
}
header {
	color: black;
	margin: 10px;
	text-align: center;
	font-size: 1.8em;
	font-weight: thin;
}

#main-doc header {
	text-align: left;
	margin: 0px;
}

#navbar ul {
	height: 88%;
	padding: 0;
	overflow-y: auto;
	overflow-x: hidden;
}

#navbar li {
	color: #4d4e53;
	border-top: 1px solid;
	list-style: none;
	position: relative;
	width: 100%;
}

#navbar li:last-child {
	border-bottom: 1px solid;
}

#navbar a {
	display: block;
	padding: 10px 30px;
	color: #4d4e53;
	text-decoration: none;
	cursor: pointer;
}

#main-doc {
	position: absolute;
	margin-left: 310px;
	padding: 20px;
	margin-bottom: 110px;
}

code {
	display: block;
	text-align: left;
	white-space: pre-line;
	position: relative;
	word-break: normal;
	word-wrap: normal;
	line-height: 2;
	background-color: #f7f7f7;
	padding: 15px;
	margin: 10px;
	border-radius: 5px;
}

@media only screen and (max-width: 815px) {
	/* For mobile phones: */
	#navbar ul {
		border: 1px solid;
		height: 207px;
	}

	#navbar {
		background-color: white;
		position: absolute;
		top: 0;
		padding: 0;
		margin: 0;
		width: 100%;
		max-height: 275px;
		border: none;
		z-index: 1;
		border-bottom: 2px solid;
	}

	#main-doc {
		position: relative;
		margin-left: 0px;
		margin-top: 270px;
	}
}

@media only screen and (max-width: 400px) {
	#main-doc {
		margin-left: -10px;
	}

	code {
		margin-left: -20px;
		width: 100%;
		padding: 15px;
		padding-left: 10px;
		padding-right: 45px;
		min-width: 233px;
	}
}