table {
	width: 100%;
}

td.opmaak1 {
	background-color: yellow;
	font-weight: bold;
}

td.opmaak2 {
	font-weight: bold; 
	text-align:center; 
	background-color:cyan;
}

h1 {
	color: blue;
	font-weight: bold;
}

p {
	color: green;
}

* {
  box-sizing: border-box;
}

* {
  margin: 0px;
  padding: 0px;
} 

html, body {
  height: 100%;
}

#kop {
  background-color: #666;
  padding: 10px;
  text-align: center;
  font-size: 35px;
  color: white;
}

#menu {
  float: left;
  background: #ccc;
  padding: 20px;
  width: 20%;
  height: 50%;
}

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

#inhoud {
  float: left;
  padding: 20px;
  background-color: #f1f1f1;
  width: 80%;
  height: 50%;
}

#voet {
  color: white;
  background-color: #666;
  text-align: center;
}