body {
  margin: 0;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  background: #f7f4ef; /* off white */
  color: #0b1c2d; /* navy */
}

.container {
  max-width: 420px;
  margin: 0 auto;
  padding: 40px 20px;
  text-align: center;
}

.avatar {
  width: 140px;
  height: 140px;
  object-fit: contain;
  margin-bottom: 20px;
}

h1 {
  margin-bottom: 30px;
  letter-spacing: 1px;
}

.btn {
  display: block;
  margin: 15px 0;
  padding: 14px;
  border: 2px solid #0b1c2d;
  color: #0b1c2d;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

.btn:hover {
  background: #0b1c2d;
  color: #f7f4ef;
}