body {
  font-family: Arial, sans-serif;
  text-align: center;
  margin: 0;
  padding: 0;
  background: #fff;
  color: #000;
}

nav {
  margin: 15px;
  font-size: 14px;
}

nav a {
  margin: 0 10px;
  text-decoration: none;
  color: #000;
}

.cover {
  width: 250px; /* smaller cover */
  margin-top: 20px;
}

.form-container {
  margin: 20px auto;
}

form {
  display: flex;
  justify-content: center;
  margin-top: 15px;
}

input[type="email"] {
  padding: 10px;
  border: 1px solid #000;
  font-size: 14px;
  width: 200px;
}

button {
  padding: 10px 15px;
  border: none;
  background: #000;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
}