body {
  padding: 50px 0;
  margin: 0 auto;
  width: 80vw;
  min-height: calc(100vh - 100px);
  font-family: Arial, sans-serif;
  background-color: #f5f5f5;
}

header {
  text-align: center;
}

header img {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 20px;
}

header h1 {
  font-size: 2.5em;
  color: #333;
  margin: 0;
}

main {
  text-align: center;
}

section {
  width: 90%;
  margin: 20px auto;
}

section h2 {
  font-size: 1.8em;
  color: #0077cc;
  margin-bottom: 10px;
}

section p {
  font-size: 1em;
  color: #555;
}

hr {
  width: 90%;
  margin: 30px auto;
  border: 1px solid #ccc;
}