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

body {
  background-color: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: #111;
  line-height: 1.6;
  padding: 40px 20px;
  max-width: 700px;
  margin: auto;
}

h2, h3, h4 {
  text-align: center;
}

h1 {
  color: rgb(0, 0, 0);
  font-size: 2.2em;
  margin-bottom: 0.5em;
}

h2 {
  font-size: 1.5em;
  margin-bottom: 0.25em;
  color: #333;
}

h3 {
  font-size: 1.25em;
  margin-top: 2em;
  margin-bottom: 0.5em;
  color: #000;
}

p {
  margin: 1em 0;
}

ul {
  margin: 1em 0 1em 1.5em;
}

li {
  margin-bottom: 0.5em;
}

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

footer {
  text-align: center;
  margin-top: 3em;
  font-size: 0.95em;
  color: #666;
}


.banner {
  background-color: #ffffff;
  padding: 20px;
  text-align: center;
  border-radius: 8px;
  margin-bottom: 20px;
  color: white;
}

.register-button {
  background-color: #c0392b;
  color: white;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.register-button:hover {
  background-color: #a93226;
}