body {
    background-color: black;
}
.bn{
	font-weight: bold;
	color: white;
}
table{
	 margin-left: auto;
	 margin-right: auto;
}
.negrita{
	 font-weight: bold;
}
.ct{
	background-color:blue;
}
.c{
	font-weight: bold;
	font-style: italic;
	color: orange;
	text-align: center;
}