a{
	color:blue;
}

nav a{
  margin: 0px 5px;
  text-align: center;
}

embed, iframe {
  width: 100%;
  max-height: 30px;
  padding: 0px;
  margin: 0px;
  text-align: center;
  border: none;
}

nav { text-align: center; }

body{
  font-family: Ubuntu, serif;
  margin: auto;
  padding: 18px;
  max-width: 800px;
  font-size: 20px;
  text-align: left;
  position: relative;
}