body {
       background-color: #ffffff;
       color: black;
       margin: 2em;
       font-family: sans-serif, helvetica, arial;
       }
h1 { 
     color: black; 
     border-bottom: 2px solid black;
     }

h3 { 
     margin-top: 1em;
     margin-bottom: 0.5em;
     }

p { 
    margin-left: 1.5em;
    margin-right: 1.5em;
    margin-top: 0em;
    margin-bottom: 0.5em;
    /*text-align: justify;*/
}

p, ul, pre {
    max-width: 60em;
}

pre { 
    margin-left: 2em;
    margin-right: 2em;
    margin-top: 0.5em;
    margin-bottom: 0.5em;
    padding: 0.5em;
    font-family: courier, monospace;
    background-color: #ddd;
    color: #200;
}


tt, code, samp { 
     color: #644;
     font-family: courier, monospace;
}

a { 
/*    font-weight: plain; */
 }

a:hover { 
         color: #000055;
         background: #ffffaa;
         }

p.footer {
         max-width: 100%;
           text-align: right;
           margin-top: 6em;
           font-size: x-small;
           color: #888888;
           }