body {
    background-color: #e6e6e6;
    font-family: Arial, sans-serif;
    margin: 0;
}

#logo {
    height: 64px;
    float: right;
}

#kop {
    background-color: #c00000;
    height: 64px;
    text-align: center;
    padding-top: 1px;
}

header h3 {
    color: white;
    margin: 0;
    line-height: 64px;
}

nav {
    float: left;
    width: 140px;
    padding-top: 30px;
    background-color: #006633;
    height: 100%;
}

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

a:link,
a:visited {
    display: block;
    font-weight: bold;
    color: #006633;
    background-color: white;
    border: 2px #c00000 solid;
    border-radius: 8px;
    width: 110px;
    text-align: center;
    padding: 6px;
    margin: 10px;
    text-decoration: none;
}

a:hover,
a:active {
    background-color: #c00000;
    color: white;
}

/* CONTAINER */

#container {
    margin-left: 140px;
    padding: 20px;
    background-color: white;
    border-left: 5px solid #006633;
    min-height: 500px;
}

/* ASIDE */

aside {
    background-color: #f2f2f2;
    float: right;
    width: 180px;
    padding: 10px;
    margin-left: 10px;
    border: 2px solid #006633;
}

/* FOOTER */

footer {
    background-color: #006633;
    color: white;
    clear: both;
    text-align: center;
    padding: 15px;
}


body#rood #container {
    background-color: #c00000;
    color: red;
}

body#groen #container {
    background-color: #006633;
    color: green;
}
nav {
    float: left;
    width: 140px;
    padding-top: 30px;
    background-color: #006633;
    min-height: 100vh;
}