/*

    Fourmilab standard style sheet for screen media
    
*/

    /* Regular text links */
    
    a:link,  a:visited {
	background-color: inherit;
    	color: rgb(0%, 0%, 80%);
	text-decoration: none;
    }

    a:hover  {
    	background-color:  rgb(30%, 30%, 100%);
    	color: rgb(100%, 100%, 100%);
    }
    
    a:active {
    	color: rgb(100%, 0%, 0%);
    	background-color:  rgb(30%, 30%, 100%);
    }

    /* Links without decoration.  These are usually
       wrapped around buttons and images which are
       self-evidently links. */
    
    a.i:link, a.i:visited, a.i:hover {
    	background-color:  inherit;
    	color: inherit;
	text-decoration: none;
    }
    
    /* Standard page body.  Since pages may wish to use the
       rest of the standard definitions along with custom
       margins and/or colours, we only apply this if an
       explicit class of "standard" is given. */
    
    body.standard {
        margin-left: 15%;
        margin-right: 10%;
	background-color: #FFFFFF;
	color: #000000;
    }

    /* Float-clearing breaks. */
      
    br.cb {
    	clear: both;
    }
  
    br.cl {
    	clear: left;
    }
  
    br.cr {
    	clear: right;
    }
    
    /* Floating images */
     
    img.left {
    	border: 0px;
   	float: left;
	margin-right: 12px;
    }
   
    img.right {
    	border: 0px;
   	float: right;
	margin-left: 12px;
    }
    
    /* Images used as buttons */
    
    img.button {
    	border: 0px;
	vertical-align: middle;
    }
    
    /* Copyright and disclaimers */
    
    p.copying {
    	margin-left: 5%;
   	margin-right: 5%;
     	text-align: justify;
	font-size: smaller;
	font-family: sans-serif;
	font-style: italic;
    }

    /* Table-based standard document footer. */

    table.footer {
    	width: 100%;
    }
    
    table.footer td.left {
    	width: 50%;
	text-align: left;
	font-style: italic;
	vertical-align: top;
    }
    
    table.footer td.right {
    	width: 50%;
	text-align: right;
	vertical-align: top;
    }
    
    table.footer table.buttons {
	margin-left: auto;
    }
    
    table.footer table.buttons td {
	text-align: center;
    }
    
    /* Navigation links at document bottom. */
    
    h3.nav {
    	margin-top: 0px;
	margin-bottom: 0px;
    }

    /* Text blocks with various alignment */
     
    .c {
    	text-align: center;
    }
       
    .j {
    	text-align: justify;
    }
    
    .r {
    	text-align: right;
    }
