* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-size: 100%;
	font-weight: normal;
}

body {
    padding: 20;
	font-family: "Noto Sans KR", serif;
	font-size: 18px;
  	font-optical-sizing: auto;
  	font-weight: <weight>;
  	font-style: normal;
	line-height: 1.7;
	word-break: keep-all;
	margin-left: 20px;
}

h1 {
	margin-bottom: 40px;
	text-align: left;
	font-size: 40px;
}

h2 {
	margin-bottom: 20px;
	margin-top: 20px;
	font-size: 30px;
	font-weight: bold;
	margin-left: 10px;
}

h3 {
	margin-top: 10px;
	margin-bottom: 10px;
	font-size: 20px;
	font-weight: bold;
}

button {
    font-size: 16px;
    padding: 10px;
    margin: 5px;
    cursor: pointer;
}

.menubar {
    position: fixed;
    left: 0;
    top: 0;
    width: 150px;
    height: 100%;
    background-color: black;
    padding-top: 20px;
}

.menubar a {
    display: block;
    color: white;
    padding: 15px;
    text-decoration: none;
    text-align: left;
}

.menubar a:hover, .menubar a:focus {
    background-color: #575757;
}

.content {
    margin-left: 200px;
    padding: 20px;
}