body {margin:0; padding:0; height: 100%; color: black; background-image:
url('images/background.jpg'); font-family: Georgia, "Times New Roman", Times, serif;}

table {text-align= center;}

#nav-menu{margin-left: auto; margin-right: auto; width:50em} 

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

#nav-menu li{float: left;margin: 0 0.15em;} 

#nav-menu li a
{background-image:
url('images/background.jpg');
height: 2em;
line-height: 2em;
float: left;
width: 9em;
display: block;
border: 0.1em solid #dcdce9;
color: #black;
text-decoration: none;
text-align: center;
} 

#developer { margin-top: 1em; padding-top: 1em; border-top: thin dotted }