nav {
  display: block;
  font-size: medium;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}
a {
  text-decoration: none;
  margin-left: 10px;
}
body {
  display: block !important;
  width: 100vh;
}
#content {
  margin: 30px;
  border: 1px solid rgb(0, 0, 0);
  border-radius: 5px;
  padding: 10px;
}