A:link {text-decoration: underline}
A:visited {text-decoration: underline; color: purple;}
A:active {text-decoration: none; background:#FFFFCC; color:#DC143C;font-style: italic; font-weight: bold;}
A:hover {text-decoration: underline; color: black; font-weight: bold;}

ul {list-style: none;} 

a.resumen {text-decoration: none; color: gray; font-weight: bold;font-size: 1px;}
a.resumen:hover{text-decoration: none; color: black; font-weight: bold;font-size: 25px;}


body {
      Font-family: "Arial";
      topmargin:0px; 
      marginwidth:800px;
      margin-left:50px;
      margin-right:100px;
      scrollbar-base-color: silver;
      scrollbar-arrow-color: white;
      }

div {
     display:none;
     }