.fondo {
	background-repeat: repeat-x;
	background-position: top;
}
.pad12 {
padding-top:12px;
padding-left:12px;
padding-bottom:4px;
padding-right:12px
}

.caja{
	background-color: #f2f2f2;
	border-top-color: #979393;
	border-right-color: #979393;
	border-bottom-color: #979393;
	border-left-color: #979393;
	border-top-width: 1px;
	border-right-width: 1px;
	border-bottom-width: 1px;
	border-left-width: 1px;
}
.arial {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	color: #4e4e4e;
	font-weight: bold;
}
.arial_blanco {
font-family: Arial, Helvetica, sans-serif;
font-size:12px;
color: #ffffff;
font-weight: bold;
}