body {
  font-family: Verdana, sans-serif;
  margin: 0;
}

header {
  width: 100%; /* Make the header span full width */
}

header img {
  /* Adjust these properties for a full-width banner */
  width: 100%;
  height: 100%; /* Adjust height based on the image */
  object-fit: cover; /* Ensure image covers the entire area */
}

main {
  max-width: 650px;
  margin: 0 auto;
  padding: 20px;
}

.main-text {
  font-size: 18px;
  margin-bottom: 20px;
  margin-top: 50px;
}

li {
  line-height: 25px;
  font-size: 18px;
  margin: 20px;
}

button {
  background-color: #4caf50;
  color: white;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
  border-radius: 5px;
  margin: 0 auto;
  display: block;
  margin-top: 20px;
}

a {
  color: black;
  text-decoration: none;
}

footer {
  text-align: center;
  padding: 10px;
}