A:link { color: gray; text-decoration: none;
 }       /* vínculos no visitados */
 A:visited { color: gray ; text-decoration: none; }   /* vínculos visitados */
 A:active { color: orange  ; text-decoration: none;}    /* vínculos activos */
 a:hover    {color: black;  background-color: orange;}

.caja {width: 750px;
border-style: solid;
border-color: gray;
border-width: 1px;
padding: 10px;
margin-left: 35px
}

H1 {
   color: #000000;
     font-weight: bold;
       font-size: 22t;
         line-height: 21pt;
	   font-family: trebuchet ms, trebuchet, arial, lucilda, helvetica;
	     font-variant: normal;
	       font-style: normal;
	         }


		 H2 {
		    color: #000000;
		       font-weight: bold;
		          font-size: 17pt;
			     line-height: 14pt;
			        font-family: trebuchet ms, trebuchet, arial, lucilda, helvetica;
				   font-variant: normal;
				      font-style: normal;
				        }


					H3 {
					  color: #000000;
					    text-align: justify;
					      font-weight: normal;
					        font-size: 12pt;
						  line-height: 14pt;
						    font-family: trebuchet ms, trebuchet, arial, lucilda, helvetica;
						      font-variant: normal;
						      font-style: normal;}

H4 {
color: #000000;
font-weight: normal;
font-size: 10pt;
line-height: 11pt;
font-family: trebuchet ms, trebuchet, arial, lucilda, helvetica;
font-variant: normal;
font-style: normal;
text-align: justify;
}