#set-margins { 
   margin-top: 1em; 
   margin-bottom: 1em; 
   margin-left: 1em; 
   margin-right: 1em; 
}

#text-color,
small { 
   color: Black; 
}

a img { 
   border-width: 1;
}

a:hover {
   background-color:  lightgrey;
}

em,
td,
th { 
   color: DarkSlateGrey; 
   font-size: 12px; 
}

body { 
   font-family: arial, sans-serif, georgia;
   font-size: 15px;
}