body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f4f8fb;
  color: #333;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

header {
  display: flex;
  align-items: center;
  padding: 10px 0;
}

.logo {
  font-weight: bold;
  font-size: 1.5rem;
  color: #2a7de1;
  border-radius: 10px;
}

.block {
  background-color: #ffffff;
  border-radius: 15px;
  padding: 20px;
  margin: 20px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  text-align: center;
}

.block h1 {
  font-size: 1.4rem;
  margin-bottom: 15px;
}

.block p {
  font-size: 1rem;
  margin-bottom: 15px;
}

button {
  background-color: #2a7de1;
  color: white;
  border: none;
  padding: 12px 24px;
  font-size: 1rem;
  border-radius: 25px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #1a5bb8;
}

@media (max-width: 600px) {
  .block h1 {
    font-size: 1.2rem;
  }

  button {
    width: 100%;
    font-size: 1rem;
  }
}