td a { margin: 5px }
    .nav { margin: 5px 0 }
    #nav a, #s7 strong { margin: 0 5px; padding: 3px 5px; border: 1px solid #ccc; background: #fc0; text-decoration: none }
    #nav a.activeSlide { background: #ea0 }
    #nav a:focus { outline: none; }
    #output { text-align: left; }
    #nav { text-align: left; margin: 3px }
    
    .pics {  
    padding: 0;  
    margin:  0;  
    } 
 
    .pics img {  
    border:  1px solid #ccc;  
    top:  0; 
    left: 0 
    } 
    
    pre { text-align: left; overflow: visible }
    code { background-color: #ffc }
    pre code { background-color: #eee }
body {
}