header {
  background-color: #333;
  color: #fff;
  padding: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 0px 0px 10px 10px;
}

nav a:hover {
  background-color: #fff;
  color: #333;
  border-radius: 10px;
  padding: 5px;
}

.wordmark {
  font-size: 1.5em;
  font-weight: bold;
}

nav {
  display: flex;
}

nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 20px;
  padding: 5px;
}

footer {
  background-color: #333;
  color: #fff;
  padding: 20px;
  text-align: center;
  border-radius: 10px 10px 0px 0px;
  width: 100%;
  margin-top: 30px;
}