html, body, header, nav, menu, main, aside,footer {
    margin: 0;
    padding: 0;
}

body {
    margin: 0;
    padding: 0;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 14px;
    background-color: #f0f0f0;
}

#header {
    background-color: lightblue;
    width: 100%;
    height: 80px;
    vertical-align: top;
    padding-top: 10px;
    padding-left: 20px;
}

#nav {
    width: 100%;
    background-color: #333333;
    height: 38px;
    border: 1px solid grey;
}

#nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

#nav li {
    float: left;
}

#nav a {
    display: block;
    height: 30px;
    width: 120px;
/*    font-weight: bold;*/
    color: white;
    background-color: black;
    border-right: 1px solid grey;
    text-align: center;
    padding-top: 10px;
    text-decoration: none;
    text-transform: uppercase;
}

#menu {
    clear: both;
    float: left;
    width: 120px;
    padding: 20px;
    font-weight: bold;
}

#menu ul {
    list-style-type: none;
    margin: 0;
    padding-left: 20px;
    border-top: 1px solid black;
}

#menu li {
    font-size: 0.9em;
    line-height: 1.5em;
    font-weight: normal;
}

#main {
    float: left;
    padding: 0 20px;
    width: 640px;
}

h1 {
    color: black;
    font-size: 2em;
    font-weight: normal;
}

p {
    color: black;
}

#sidebar {
    float: left;
    width: 120px;
    padding: 20px;
}

#footer {
    clear: both;
    padding-left: 20px;
    background-color: aliceblue;
    border-top: 1px solid black;
    height: 50px;
    padding-top: 10px;
    font-size: smaller;
}