i, h3{
	font-family: arial;
	font-size: 11px; 
	font-weight: normal;
	color: #666;
	}

#bot_col{
	display: block;
	height: 40px;
	width:200px;
	text-indent: -9999px;
	background-image: url("./docs/Home/boton_colabora.gif");
	background-repeat: no-repeat;
	}

#bot_col:hover{
	background-image: url("./docs/Home/boton_colabora_on.gif");
	}

.marco_cent_sup, .marco_cent_izq, .marco_cent_dere, .marco_cent_inf{
	position: absolute;
	z-index: 1;
	height: 100%;
	width: 100%;
	background-position: top left;
	background-repeat: repeat-x;
	}
	
.marco_cent_sup{
	background-image: url(./imagenes/marco_cent_sup.gif);
	}
	
.marco_cent_izq{
	background-image: url(./imagenes/marco_cent_izq.gif);
	background-repeat: repeat-y;
	z-index: 2;
	}
	
.marco_cent_dere{
	background-position: right;
	background-image: url(./imagenes/marco_cent_dere.gif);
	background-repeat: repeat-y;
	z-index: 2;
	}
	
.marco_cent_inf{
	background-position: bottom;
	background-image: url(./imagenes/marco_cent_inf.gif);
	}

.marco_sup_izq, .marco_sup_dere, .marco_inf_izq, .marco_inf_dere{
	position: absolute;
	z-index: 2;
	height: 100%;
	width: 100%;
	background-repeat: no-repeat;
	}
	
.marco_sup_izq{
	background-position: top left;
	background-image: url(./imagenes/marco_sup_izq.gif);
	z-index: 3;
	}
		
.marco_sup_dere{
	background-position: top right;
	background-image: url(./imagenes/marco_sup_dere.gif);
	z-index: 3;
	}
	
.marco_inf_izq{
	background-position: bottom left;
	background-image: url(./imagenes/marco_inf_izq.gif);
	}
	
.marco_inf_dere{
	background-position: bottom right;
	background-image: url(./imagenes/marco_inf_dere.gif);
	}