body { background-image: "pix/back.gif" ;  font-family: tahoma, san-serif 
} 
a:link { color: blue; } /* for unvisited links*/ 
a:visited { color: blue; } /*for visited links */ 
a:active { color: blue; } /*when user clicks link */ 
a:hover { color: red; } /* when hovering over link */ 

h1, h2,  { font-family: tahoma, san-serif; color: blue; text-align: 
center; margin-top: 1em; margin-bottom: 1em; } 
h3, { font-family: tahoma, san-serif;  color: black;text-align: center;  } 
h4, { font-family: tahoma, san-serif; color: black; text-align: center; margin-top: 1em; margin-bottom: 1em; } 
h5, { font-family: tahoma, san-serif; color: black; text-align: left;  margin-top: 1em; margin-bottom: 1em;} 
h6, { font-family: tahoma, san-serif; color: black; text-align: center;  } 

pre, code { font-family: monospace; } 
.box { border: solid; border-width: thick; width;
100%; padding: 1em; } b { color: black; } 
p.dropcap:first-letter { font-size: 200%; 
float: justify; color: blue; } 
caption { font-family: arial; background-color: color: red; }