#myNav, #spacer{
   padding:5px 125px;
   height:28px;
   background-color:rgb(0, 153, 153);
   font-family:Calibri, Arial, Candara;
   font-size:20px;
   text-align:center;
}

#myNav ul{
   margin:20px auto;
   padding:0px;
   list-style-type:none;   
   display:inline;      
}
#myNav li{
   margin-right:20px;   
   position:relative;
   display:inline-block;
   list-style:none;
   text-align:center;   
   float:left;   
}
#myNav ul li ul.sub1, #myNav ul li ul.sub2{
   position:absolute;
   display:none;
   width:100px;
   text-align:center;   
}
#myNav a{
   text-decoration:none;
   display:block;
   text-align:center;
   color:white;
}
.sub1, .sub2{
   display:none;
   width:175px;
   border:1px solid gray;
   border-radius:4px;
   background-color:rgb(198, 217, 236);   
   top:0;
   left:0px;   
}
#myNav > ul > li > ul > li > a, #myNav > ul > li > ul > li > ul > li > a{
   font-size:18px;
   color:black;
   text-align:center;
}
#myNav ul li:hover ul.sub1{
   display:block;   
}
#myNav ul.sub1 li:hover ul.sub2{
   display:block;   	
   background-color:rgb(198, 217, 236)
   width:110px;
   left:100px;
}