@media only screen and (max-width: 599px) {
* {
    margin: 0;
}
body {
    width: 450px;
    margin: 0 auto;
    background-color: black;
}
div#header {
    background-color: #408;
    padding: 10px;
    margin-top: 30px;
}
div#menu {
    background-color: red;
    position: fixed;
    top: 0;
    height: 20px;
    width: inherit;
    padding: 5px 0;
}
div#content {
    background-color: grey;
    padding: 15px;
}
div#footer {
    background-color: forestgreen;
    padding: 10px;
}
h1 {
    color: white;
    font: bold 30pt garamond,serif;
    text-align: center;
}
#header img {
    height: 100px;
    display: block;
    margin: 0 auto;
}
#footer img {
    height: 30px;
}
nav a {
    text-decoration: none;
    color: black;
    font: bold 10pt georgia,serif;
}
nav a::before {
    content: "[";
}
nav a::after {
    content: "]";
}
nav a:hover {
    color: white;
    background-color: black;
}
p, li {
    font: 16pt charcoal,serif;
}    
}
@media only screen and (min-width: 600px) {
* {
    margin: 0;
}
body {
    width: 800px;
    margin: 0 auto;
    background-color: black;
}
div#header {
    background-color: #408;
    padding: 10px;
    height: 170px;
}
div#menu {
    background-color: #c0ffee;
    width: 120px;
    height: 600px;
    padding: 5px 0;
}
div#content {
    background-color: lightgoldenrodyellow;
    padding: 15px;
    position: relative;
    top: -610px;
    left: 120px;
    width: 650px;
    height: 580px;
    overflow-y: scroll;
}
div#footer {
    background-color: darkseagreen;
    padding: 10px;
    position: relative;
    top: -610px;
}
h1 {
    color: turquoise;
    font: bold 50pt garamond,serif;
    padding: 50px;
    text-align: center;
}
#header img {
    height: 150px;
    float: left;
    padding: 10px;
}
#footer img {
    height: 30px;
}

nav a {
    display: block;
    padding: 2px 0 2px 5px;
    text-decoration: none;
    color: black;
    font: bold 15pt georgia,serif;
}
nav a::before {
    content: "[";
}
nav a::after {
    content: "]";
}
nav a:hover {
    color: white;
    background-color: black;
}
p, li {
    font: 20pt/1.5 charcoal,serif;
}
}