img {
	border: 0;
}

body {
  text-align: center;
  font-family: Helvetica, Verdana;
  font-size: 16px;
  background: #cdcbb9;
  margin: 0;
  padding: 0;
  color: #7f6f34;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

#main {
  margin: 12% 35%;
  border: 4px solid #4B4A4A;
  padding: 3px;
  background-color: #fff;
}

#explanation {
  padding: 10px;
  line-height: 120%;
}