body {
 	background-image: url("fondo_1.png");
 	background-color: black;
 	font-family: "Verdana";
  	text-align: center;
}

iframe {
	height: 90px;
	width: 160px;
}

header, footer {
	display: none;
}

nav {
	background-color: rgba(16, 33, 53, 0.8);
	font-size: x-large;
	padding: 5px;
	text-align: center;
	display: flex;
	flex-direction: column;
}

ul {
	list-style-type:none;
	margin:0;
	padding:0;
	display:flex;
	flex-direction: column;
}

li {
	flex-grow: 1;
}

nav a {
	color: white;
	text-decoration: none;
	padding: 5px;
	display: block;

}

nav a:hover {
	background-color: black;
	text-decoration: none;
}

article a {
	color: white;
	text-decoration: none;

}

article a:hover {
	text-decoration: underline;
}

article {
	background-color: rgba(16, 33, 53, 0.7);
	font-family: Arial;
	color: white;
	padding: 10px;
	font-size: large;
}

table {
    border-collapse: collapse;
}

td, th {
	border-style: solid;
	border-width: 1px 0px 1px 0px;
	border-color: white;
}