html {
	background: #66ff66;
}

body {
  text-align: center;
}

header {
  display: none;
}

nav {
	background-color: #ffff66;
	font-family: "Arial Black", Serif;
	color: black;
	text-align: center;
	text-decoration: none;
	border: 2px solid;
	border-radius:18px;
} 

.tabla {
  font-size:20px;
  text-align:center;
  margin:auto;
}

.tabla1 th {
  background-color: black;
  color: white;
}

.tabla2 tr,td,th {
  background-color: #ffff66;
	color: black;
}

.tabla a {
	display: block;
	text-decoration: none;
}

footer {
	display: none;
}