div,p,em { margin:10px; padding:10px; background-color:white;
           border-left:1px solid gray; border-right:2px solid black; 
           border-top:1px solid gray; border-bottom:2px solid black; }

*.static  { position:static;   }
*.relative{ position:relative; left:auto; top:auto; bottom:auto; right:auto; }
*.absolute{ position:absolute; left:35%; top:-40px; }
*.fixed1  { position:fixed; z-index:20; right:5px; bottom:35px;  }
*.fixed2  { position:fixed; z-index:10; right:0px; bottom:0; 
            width:190px; margin:0;}

*.offset { bottom:-15px; left:-20px; }

#canvas   { background-color:gold; }