body {
  font-family: Arial, Helvetica, sans-serif;
}
.content {
  width: 900px;
  margin: 0 auto;
}

a {
  text-decoration: none;
  color: rgb(81, 81, 81);
}
a:hover {
  text-decoration: none;
  color: rgb(131, 131, 131);
}