body {
  background-color: lightblue;
}

h1 {
  color: navy;
  margin-left: 20px;
}

table, th, td{
   border: 1px solid;
}

#sivu {
display:flex;
flex-direction:row
width:100%
}
#ylapalkki {
  background-color: lightyellow;

display:flex;
flex-direction:column;
width:100%	
	
}
#sisalto {
	background-color: greenyellow;
	display:flex;
	flex-direction:column;
	width:80%	
	
}
#navigointi {
	display:flex;
    flex-direction:column;
    width:20%; 
	background-color: cyan;
	
}