body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  text-align: center;
}

.container {
  background: #fff;
  padding: 2em;
  max-width: 600px;
  border-radius: 12px;
  box-shadow: 0 0 12px rgba(0,0,0,0.1);
}

h1 {
  font-size: 1.8em;
  margin-bottom: 0.5em;
  color: #222;
}

p {
  color: #555;
  margin: 0.5em 0 1.2em;
}

ul {
  text-align: left;
  padding-left: 1em;
  color: #444;
}

a.button {
  display: inline-block;
  margin: 1em 0;
  padding: 0.6em 1.2em;
  background: #007bff;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
  font-size: 14px;
  font-weight: bold;
  box-shadow: 0 4px 8px rgba(0, 123, 255, 0.2);
}

.contacts,
.extras {
  margin-top: 1.5em;
  font-size: 14px;
  color: #333;
}

.contacts a {
  color: #28a745;
  text-decoration: none;
  font-weight: 500;
}

.extras a {
  color: #007bff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}