BODY{

   padding:1em;
   background-color:black;

}

A{

   text-decoration:none;
   color:white;
   font-family:Arial, Sans;
   margin-right:1em;
}



#page-div{

   margin:0 auto;
   
}


#sky{
  
  height:250px;
  width:700px;
  
  background-color:#00BFFF;

  position:relative;
  top:-300px;
  z-index:1;
  border-style:solid;
  border-color:white;
  border-width:3px 3px 0px 3px;
  
}

#cloud{

  position:relative;
  left:300px;
  top:0px;
 

}


#sun{

   position:relative;
   z-index:2;
   left:-185px;

}

#ground{
 
   height:175px;
   width:700px;
   
   
   position:relative;
   top:-325px;
   z-index:3;
   
   border-style:solid;
   border-color:white;
   border-width:0px 3px 3px 3px;
   
}


#content{
  height:150px;
  background-image:url( '../images/ground-day.png' );

}



.nav-link{

   position:relative;

   font-size:22pt;
   color:white;
   
}

#blog-button{
   
   top:50px;
   left:60px;

}

#demos-button{

   top:50px;
   left:75px;
}

#contact-button{

   top:50px;
   left:80px;
}