CCS zijkant voor een gedeelte wit

html {
	height: 100%;
}

body {
	margin: 0;
	height: 100%;
}

#container {
	height: 100%;
}

#sidebar {
	background-image: url(backgroundgreen.png);
	display: inline-block;
	vertical-align: top;
	height: 100%;
	width: 18%;
	overflow: auto;
}

#content {
	background-image: url(backgroundgreen.png);
	display: inline-block;
	vertical-align: top;
	height: 100%;
	width: 82%;
	overflow: auto;
}

ul
{
    list-style: none;
    width: 100%;
    background-color: #f1f1f1;
    margin: 0;
    padding: 0;
    height: 100%;
}
    
li a
{
    text-decoration: none;
    color: white;
    background-color: #1ebb90;
    font-size: 18px;
    display: block;
    padding: 10px 20px;
    border-bottom: 1px solid black;
}
.active
{
    background-color: blue;
}
li a: :hover
{
    background-color: yellow;
}