.imagenscomborda {
	font-family: Geneva, Arial, Helvetica, sans-serif;
}
a img { border:5px solid #e8e8e8;
        }
a:visited img { border:5px solid #818181;
        }
a:hover img { border:5px solid #818181;
        }
a:active img { border:5px solid #ff311c;
        }