* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1d3557;
  background: #ffffff;
  padding: 20px;
}

article {
  max-width: 720px;
  margin: 0 auto;
  background: #f4f4f4;
  border: 2px solid #1d3557;
  padding: 30px;
  box-shadow: 8px 8px 0 rgba(29, 53, 87, 0.3);
}

header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 3px solid #1d3557;
}

h1 {
  font-family: 'Brush Script MT', cursive;
  font-size: 2.5rem;
  color: #e63946;
  margin-bottom: 10px;
  text-shadow: 3px 3px 0 rgba(0, 0, 0, 0.2);
}

h2 {
  font-family: 'Brush Script MT', cursive;
  font-size: 2rem;
  color: #e63946;
  margin-top: 30px;
  margin-bottom: 15px;
  text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.15);
}

section {
  margin-bottom: 25px;
}

p {
  margin-bottom: 15px;
}

a {
  color: #0000ee;
  text-decoration: underline;
}

a:visited {
  color: #551a8b;
}

a:hover {
  background-color: #f4d35e;
}

hr {
  border: none;
  border-top: 2px solid #1d3557;
  margin: 30px 0;
}

footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 2px solid #1d3557;
  text-align: center;
}

footer small {
  color: #666;
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  body {
    padding: 10px;
  }

  article {
    padding: 20px;
    box-shadow: 5px 5px 0 rgba(29, 53, 87, 0.3);
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.6rem;
  }
}