#nav{

margin:0px -20px 20px;
background-color:#4D4D4D;
}

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

#nav li
{
float:left;
}

#nav a:link,
#nav a:visited
{
display:block;
width:192px;
padding:10px 0px;
font-weight:bold; 
font-size:110%;
color:#000000; 
text-align:center; 
text-decoration:none;
}

#nav a:hover,
#nav a:active
{ 
padding:10px 0px 6px;
border-bottom:#ff0000;
}

#raskausaika{
background-color:#CDCDFA;
}

#raskausviikot{
background-color:#E6E6FA;
}

#raskauslaskuri{
background-color:#C1C1FA;
}

#ovulaatiolaskuri{ 
background-color:#DADAFA;
}

#kesk{
background-color:#C1C1FA;
width:728px; 
padding:0px 20px 10px 20px;
}

#m{
padding: 0px 0px 10px 0px;
}