body { background-color: darkgray; color: black;}
h1 { text-align:center; color: brown; font-family: "궁서"; font-style: italic;
        text-shadow:3px 3px black;}
hr { border: none; height: 1px; background-color: black}
a {color: darkred}
h3{font-family: "궁서"; font-style: italic;}

html, body {
        margin: 0;
        padding: 0;
}
nav {
        position: fixed;
        left: 0;
        top: 0;
        width: 220px;
        height: 100%;
        padding: 10px;

        border-right: 2px solid black;
}


header, section, footer {
        margin-left: 250px;
}


h1 {
        text-align: center;
}